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<span class="siteTitle">NYTProf Performance Profile</span>
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<span class="siteSubtitle">Run on Tue May 4 15:25:55 2010<br />Reported on Tue May 4 15:26:21 2010</span>
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<table>
<tr>
<td class="h" align="right">File</td>
<td align="left">/usr/local/lib/perl5/5.10.1/File/Spec/Unix.pm</td>
</tr>
<tr>
<td class="h" align="right">Statements Executed</td>
<td align="left">13</td>
</tr>
<tr>
<td class="h" align="right">Statement Execution Time</td>
<td align="left">1.32ms</td>
</tr>
</table>
<table id="subs_table" border="1" cellpadding="0" class="tablesorter">
<caption>Subroutines — ordered by exclusive time</caption>
<thead>
<tr>
<th>Calls</th>
<th><span title="Number of Places sub is called from">P</span></th>
<th><span title="Number of Files sub is called from">F</span></th>
<th>Exclusive<br />Time</th>
<th>Inclusive<br />Time</th>
<th>Subroutine</th>
</tr>
</thead>
<tbody>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">22µs</span></td><td class="c1"><span title="0.0%">25µs</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::BEGIN@3</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#3">BEGIN@3</a></span></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">8µs</span></td><td class="c3"><span title="0.0%">19µs</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::BEGIN@149</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#149">BEGIN@149</a></span></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">6µs</span></td><td class="c3"><span title="0.0%">25µs</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::BEGIN@4</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#4">BEGIN@4</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::_collapse</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#488">_collapse</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::_cwd</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#481">_cwd</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::_same</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#410">_same</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::_tmpdir</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#144">_tmpdir</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::abs2rel</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#359">abs2rel</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::canonpath</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#43">canonpath</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::case_tolerant</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#197">case_tolerant</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::catdir</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#83">catdir</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::catfile</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#96">catfile</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::catpath</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#314">catpath</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::curdir</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#111">curdir</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::devnull</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#119">devnull</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::file_name_is_absolute</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#209">file_name_is_absolute</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::join</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#233">join</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::no_upwards</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#185">no_upwards</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::path</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#220">path</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::rel2abs</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#440">rel2abs</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::rootdir</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#127">rootdir</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::splitdir</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#300">splitdir</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::splitpath</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#258">splitpath</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::tmpdir</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#165">tmpdir</a></span></td></tr>
<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">File::Spec::Unix::::updir</span>File::Spec::Unix::<a href="File-Spec-Unix-pm-line.html#176">updir</a></span></td></tr>
</tbody>
</table>
Call graph for these subroutines as a <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a> <a href="usr-local-lib-perl5-5-10-1-File-Spec-Unix-pm.dot">dot language file</a>.
<table border="1" cellpadding="0">
<thead>
<tr><th>Line</th>
<th><span title="Number of statements executed">State<br />ments</span></th>
<th><span title="Time spend executing statements on the line,
excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
<th><span title="Number of subroutines calls">Calls</span></th>
<th><span title="Time spent in subroutines called">Time<br />in subs</span></th>
<th class="left_indent_header">Code</th>
</tr>
</thead>
<tbody>
<tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package File::Spec::Unix;</td></tr>
<tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="3"></a>3</td><td class="c0">3</td><td class="c2"><span title="Avg 8µs">25µs</span></td><td class="c3">2</td><td class="c3">29µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 25µs (22+3) within File::Spec::Unix::BEGIN@3 which was called
# once (22µs+3µs) by IO::File::BEGIN@134 at <a href="File-Spec-Unix-pm-line.html#3">line 3</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 25µs making 1 call to <a href="File-Spec-Unix-pm-line.html#3">File::Spec::Unix::BEGIN@3</a>
# spent 4µs making 1 call to <a href="strict-pm-line.html#34">strict::import</a></div></div></td></tr>
<tr><td class="h"><a name="4"></a>4</td><td class="c0">3</td><td class="c0"><span title="Avg 106µs">318µs</span></td><td class="c3">2</td><td class="c0">44µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 25µs (6+19) within File::Spec::Unix::BEGIN@4 which was called
# once (6µs+19µs) by IO::File::BEGIN@134 at <a href="File-Spec-Unix-pm-line.html#4">line 4</a></div></div>use vars qw($VERSION);<div class="calls"><div class="calls_out"># spent 25µs making 1 call to <a href="File-Spec-Unix-pm-line.html#4">File::Spec::Unix::BEGIN@4</a>
# spent 19µs making 1 call to <a href="vars-pm-line.html#10">vars::import</a></div></div></td></tr>
<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="6"></a>6</td><td class="c3">1</td><td class="c3"><span title="Avg 700ns">700ns</span></td><td></td><td></td><td class="s">$VERSION = '3.30';</td></tr>
<tr><td class="h"><a name="7"></a>7</td><td class="c3">1</td><td class="c3"><span title="Avg 14µs">14µs</span></td><td></td><td></td><td class="s">$VERSION = eval $VERSION;</td></tr>
<tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s">=head1 NAME</td></tr>
<tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s">File::Spec::Unix - File::Spec for Unix, base for other File::Spec modules</td></tr>
<tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s">=head1 SYNOPSIS</td></tr>
<tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="15"></a>15</td><td></td><td></td><td></td><td></td><td class="s"> require File::Spec::Unix; # Done automatically by File::Spec</td></tr>
<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td></td><td></td><td class="s">=head1 DESCRIPTION</td></tr>
<tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s">Methods for manipulating file specifications. Other File::Spec</td></tr>
<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s">modules, such as File::Spec::Mac, inherit from File::Spec::Unix and</td></tr>
<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s">override specific methods.</td></tr>
<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s">=head1 METHODS</td></tr>
<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s">=over 2</td></tr>
<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s">=item canonpath()</td></tr>
<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s">No physical check on the filesystem, but a logical cleanup of a</td></tr>
<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s">path. On UNIX eliminates successive slashes and successive "/.".</td></tr>
<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"> $cpath = File::Spec->canonpath( $path ) ;</td></tr>
<tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s">Note that this does *not* collapse F<x/../y> sections into F<y>. This</td></tr>
<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s">is by design. If F</foo> on your system is a symlink to F</bar/baz>,</td></tr>
<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s">then F</foo/../quux> is actually F</bar/quux>, not F</quux> as a naive</td></tr>
<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s">F<../>-removal would give you. If you want to do this kind of</td></tr>
<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s">processing, you probably want C<Cwd>'s C<realpath()> function to</td></tr>
<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s">actually traverse the filesystem cleaning up paths like this.</td></tr>
<tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s">sub canonpath {</td></tr>
<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"> my ($self,$path) = @_;</td></tr>
<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s"> return unless defined $path;</td></tr>
<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s"> # Handle POSIX-style node names beginning with double slash (qnx, nto)</td></tr>
<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s"> # (POSIX says: "a pathname that begins with two successive slashes</td></tr>
<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s"> # may be interpreted in an implementation-defined manner, although</td></tr>
<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"> # more than two leading slashes shall be treated as a single slash.")</td></tr>
<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s"> my $node = '';</td></tr>
<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s"> my $double_slashes_special = $^O eq 'qnx' || $^O eq 'nto';</td></tr>
<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s"> if ( $double_slashes_special</td></tr>
<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"> && ( $path =~ s{^(//[^/]+)/?\z}{}s || $path =~ s{^(//[^/]+)/}{/}s ) ) {</td></tr>
<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s"> $node = $1;</td></tr>
<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s"> # This used to be</td></tr>
<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s"> # $path =~ s|/+|/|g unless ($^O eq 'cygwin');</td></tr>
<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s"> # but that made tests 29, 30, 35, 46, and 213 (as of #13272) to fail</td></tr>
<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s"> # (Mainly because trailing "" directories didn't get stripped).</td></tr>
<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"> # Why would cygwin avoid collapsing multiple slashes into one? --jhi</td></tr>
<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"> $path =~ s|/{2,}|/|g; # xx////xx -> xx/xx</td></tr>
<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s"> $path =~ s{(?:/\.)+(?:/|\z)}{/}g; # xx/././xx -> xx/xx</td></tr>
<tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s"> $path =~ s|^(?:\./)+||s unless $path eq "./"; # ./xx -> xx</td></tr>
<tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s"> $path =~ s|^/(?:\.\./)+|/|; # /../../xx -> xx</td></tr>
<tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s"> $path =~ s|^/\.\.$|/|; # /.. -> /</td></tr>
<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"> $path =~ s|/\z|| unless $path eq "/"; # xx/ -> xx</td></tr>
<tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s"> return "$node$path";</td></tr>
<tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s">=item catdir()</td></tr>
<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s">Concatenate two or more directory names to form a complete path ending</td></tr>
<tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s">with a directory. But remove the trailing slash from the resulting</td></tr>
<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s">string, because it doesn't look good, isn't necessary and confuses</td></tr>
<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s">OS2. Of course, if this is the root directory, don't cut off the</td></tr>
<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s">trailing slash :-)</td></tr>
<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s">sub catdir {</td></tr>
<tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"> $self->canonpath(join('/', @_, '')); # '' because need a trailing '/'</td></tr>
<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s">=item catfile</td></tr>
<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s">Concatenate one or more directory names and a filename to form a</td></tr>
<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s">complete path ending with a filename</td></tr>
<tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s">sub catfile {</td></tr>
<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
<tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s"> my $file = $self->canonpath(pop @_);</td></tr>
<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s"> return $file unless @_;</td></tr>
<tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s"> my $dir = $self->catdir(@_);</td></tr>
<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s"> $dir .= "/" unless substr($dir,-1) eq "/";</td></tr>
<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"> return $dir.$file;</td></tr>
<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s">=item curdir</td></tr>
<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s">Returns a string representation of the current directory. "." on UNIX.</td></tr>
<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s">sub curdir { '.' }</td></tr>
<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s">=item devnull</td></tr>
<tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s">Returns a string representation of the null device. "/dev/null" on UNIX.</td></tr>
<tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s">sub devnull { '/dev/null' }</td></tr>
<tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s">=item rootdir</td></tr>
<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s">Returns a string representation of the root directory. "/" on UNIX.</td></tr>
<tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s">sub rootdir { '/' }</td></tr>
<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s">=item tmpdir</td></tr>
<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s">Returns a string representation of the first writable directory from</td></tr>
<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s">the following list or the current directory if none from the list are</td></tr>
<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s">writable:</td></tr>
<tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{TMPDIR}</td></tr>
<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s"> /tmp</td></tr>
<tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s">Since perl 5.8.0, if running under taint mode, and if $ENV{TMPDIR}</td></tr>
<tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s">is tainted, it is not used.</td></tr>
<tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="143"></a>143</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">my $tmpdir;</td></tr>
<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s">sub _tmpdir {</td></tr>
<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s"> return $tmpdir if defined $tmpdir;</td></tr>
<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"> my @dirlist = @_;</td></tr>
<tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
<tr><td class="h"><a name="149"></a>149</td><td class="c0">3</td><td class="c0"><span title="Avg 319µs">956µs</span></td><td class="c3">2</td><td class="c3">30µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 19µs (8+11) within File::Spec::Unix::BEGIN@149 which was called
# once (8µs+11µs) by IO::File::BEGIN@134 at <a href="File-Spec-Unix-pm-line.html#149">line 149</a></div></div> no strict 'refs';<div class="calls"><div class="calls_out"> # spent 19µs making 1 call to <a href="File-Spec-Unix-pm-line.html#149">File::Spec::Unix::BEGIN@149</a>
# spent 11µs making 1 call to <a href="strict-pm-line.html#39">strict::unimport</a></div></div></td></tr>
<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s"> if (${"\cTAINT"}) { # Check for taint mode on perl >= 5.8.0</td></tr>
<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"> require Scalar::Util;</td></tr>
<tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s"> @dirlist = grep { ! Scalar::Util::tainted($_) } @dirlist;</td></tr>
<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"> foreach (@dirlist) {</td></tr>
<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s"> next unless defined && -d && -w _;</td></tr>
<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"> $tmpdir = $_;</td></tr>
<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"> last;</td></tr>
<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s"> $tmpdir = $self->curdir unless defined $tmpdir;</td></tr>
<tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s"> $tmpdir = defined $tmpdir && $self->canonpath($tmpdir);</td></tr>
<tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s"> return $tmpdir;</td></tr>
<tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s">sub tmpdir {</td></tr>
<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"> return $tmpdir if defined $tmpdir;</td></tr>
<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s"> $tmpdir = $_[0]->_tmpdir( $ENV{TMPDIR}, "/tmp" );</td></tr>
<tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s">=item updir</td></tr>
<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s">Returns a string representation of the parent directory. ".." on UNIX.</td></tr>
<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s">sub updir { '..' }</td></tr>
<tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s">=item no_upwards</td></tr>
<tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s">Given a list of file names, strip out those that refer to a parent</td></tr>
<tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s">directory. (Does not strip symlinks, only '.', '..', and equivalents.)</td></tr>
<tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s">sub no_upwards {</td></tr>
<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"> return grep(!/^\.{1,2}\z/s, @_);</td></tr>
<tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s">=item case_tolerant</td></tr>
<tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s">Returns a true or false value indicating, respectively, that alphabetic</td></tr>
<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s">is not or is significant when comparing file specifications.</td></tr>
<tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s">sub case_tolerant { 0 }</td></tr>
<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s">=item file_name_is_absolute</td></tr>
<tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s">Takes as argument a path and returns true if it is an absolute path.</td></tr>
<tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s">This does not consult the local filesystem on Unix, Win32, OS/2 or Mac </td></tr>
<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s">OS (Classic). It does consult the working environment for VMS (see</td></tr>
<tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s">L<File::Spec::VMS/file_name_is_absolute>).</td></tr>
<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s">sub file_name_is_absolute {</td></tr>
<tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s"> my ($self,$file) = @_;</td></tr>
<tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s"> return scalar($file =~ m:^/:s);</td></tr>
<tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s">=item path</td></tr>
<tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s">Takes no argument, returns the environment variable PATH as an array.</td></tr>
<tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s">sub path {</td></tr>
<tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s"> return () unless exists $ENV{PATH};</td></tr>
<tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s"> my @path = split(':', $ENV{PATH});</td></tr>
<tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s"> foreach (@path) { $_ = '.' if $_ eq '' }</td></tr>
<tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s"> return @path;</td></tr>
<tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s">=item join</td></tr>
<tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s">join is the same as catfile.</td></tr>
<tr><td class="h"><a name="230"></a>230</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="231"></a>231</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s">sub join {</td></tr>
<tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
<tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s"> return $self->catfile(@_);</td></tr>
<tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s">=item splitpath</td></tr>
<tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s"> ($volume,$directories,$file) = File::Spec->splitpath( $path );</td></tr>
<tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s"> ($volume,$directories,$file) = File::Spec->splitpath( $path, $no_file );</td></tr>
<tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s">Splits a path into volume, directory, and filename portions. On systems</td></tr>
<tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s">with no concept of volume, returns '' for volume. </td></tr>
<tr><td class="h"><a name="245"></a>245</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="246"></a>246</td><td></td><td></td><td></td><td></td><td class="s">For systems with no syntax differentiating filenames from directories, </td></tr>
<tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s">assumes that the last file is a path unless $no_file is true or a </td></tr>
<tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td></td><td></td><td class="s">trailing separator or /. or /.. is present. On Unix this means that $no_file</td></tr>
<tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s">true makes this return ( '', $path, '' ).</td></tr>
<tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s">The directory portion may or may not be returned with a trailing '/'.</td></tr>
<tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s">The results can be passed to L</catpath()> to get back a path equivalent to</td></tr>
<tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s">(usually identical to) the original path.</td></tr>
<tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="257"></a>257</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s">sub splitpath {</td></tr>
<tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s"> my ($self,$path, $nofile) = @_;</td></tr>
<tr><td class="h"><a name="260"></a>260</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s"> my ($volume,$directory,$file) = ('','','');</td></tr>
<tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s"> if ( $nofile ) {</td></tr>
<tr><td class="h"><a name="264"></a>264</td><td></td><td></td><td></td><td></td><td class="s"> $directory = $path;</td></tr>
<tr><td class="h"><a name="265"></a>265</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="266"></a>266</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
<tr><td class="h"><a name="267"></a>267</td><td></td><td></td><td></td><td></td><td class="s"> $path =~ m|^ ( (?: .* / (?: \.\.?\z )? )? ) ([^/]*) |xs;</td></tr>
<tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s"> $directory = $1;</td></tr>
<tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s"> $file = $2;</td></tr>
<tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s"> return ($volume,$directory,$file);</td></tr>
<tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="276"></a>276</td><td></td><td></td><td></td><td></td><td class="s">=item splitdir</td></tr>
<tr><td class="h"><a name="277"></a>277</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="278"></a>278</td><td></td><td></td><td></td><td></td><td class="s">The opposite of L</catdir()>.</td></tr>
<tr><td class="h"><a name="279"></a>279</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="280"></a>280</td><td></td><td></td><td></td><td></td><td class="s"> @dirs = File::Spec->splitdir( $directories );</td></tr>
<tr><td class="h"><a name="281"></a>281</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="282"></a>282</td><td></td><td></td><td></td><td></td><td class="s">$directories must be only the directory portion of the path on systems </td></tr>
<tr><td class="h"><a name="283"></a>283</td><td></td><td></td><td></td><td></td><td class="s">that have the concept of a volume or that have path syntax that differentiates</td></tr>
<tr><td class="h"><a name="284"></a>284</td><td></td><td></td><td></td><td></td><td class="s">files from directories.</td></tr>
<tr><td class="h"><a name="285"></a>285</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="286"></a>286</td><td></td><td></td><td></td><td></td><td class="s">Unlike just splitting the directories on the separator, empty</td></tr>
<tr><td class="h"><a name="287"></a>287</td><td></td><td></td><td></td><td></td><td class="s">directory names (C<''>) can be returned, because these are significant</td></tr>
<tr><td class="h"><a name="288"></a>288</td><td></td><td></td><td></td><td></td><td class="s">on some OSs.</td></tr>
<tr><td class="h"><a name="289"></a>289</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="290"></a>290</td><td></td><td></td><td></td><td></td><td class="s">On Unix,</td></tr>
<tr><td class="h"><a name="291"></a>291</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="292"></a>292</td><td></td><td></td><td></td><td></td><td class="s"> File::Spec->splitdir( "/a/b//c/" );</td></tr>
<tr><td class="h"><a name="293"></a>293</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="294"></a>294</td><td></td><td></td><td></td><td></td><td class="s">Yields:</td></tr>
<tr><td class="h"><a name="295"></a>295</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="296"></a>296</td><td></td><td></td><td></td><td></td><td class="s"> ( '', 'a', 'b', '', 'c', '' )</td></tr>
<tr><td class="h"><a name="297"></a>297</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="298"></a>298</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="299"></a>299</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="300"></a>300</td><td></td><td></td><td></td><td></td><td class="s">sub splitdir {</td></tr>
<tr><td class="h"><a name="301"></a>301</td><td></td><td></td><td></td><td></td><td class="s"> return split m|/|, $_[1], -1; # Preserve trailing fields</td></tr>
<tr><td class="h"><a name="302"></a>302</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="303"></a>303</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="304"></a>304</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="305"></a>305</td><td></td><td></td><td></td><td></td><td class="s">=item catpath()</td></tr>
<tr><td class="h"><a name="306"></a>306</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="307"></a>307</td><td></td><td></td><td></td><td></td><td class="s">Takes volume, directory and file portions and returns an entire path. Under</td></tr>
<tr><td class="h"><a name="308"></a>308</td><td></td><td></td><td></td><td></td><td class="s">Unix, $volume is ignored, and directory and file are concatenated. A '/' is</td></tr>
<tr><td class="h"><a name="309"></a>309</td><td></td><td></td><td></td><td></td><td class="s">inserted if needed (though if the directory portion doesn't start with</td></tr>
<tr><td class="h"><a name="310"></a>310</td><td></td><td></td><td></td><td></td><td class="s">'/' it is not added). On other OSs, $volume is significant.</td></tr>
<tr><td class="h"><a name="311"></a>311</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="312"></a>312</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="313"></a>313</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="314"></a>314</td><td></td><td></td><td></td><td></td><td class="s">sub catpath {</td></tr>
<tr><td class="h"><a name="315"></a>315</td><td></td><td></td><td></td><td></td><td class="s"> my ($self,$volume,$directory,$file) = @_;</td></tr>
<tr><td class="h"><a name="316"></a>316</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="317"></a>317</td><td></td><td></td><td></td><td></td><td class="s"> if ( $directory ne '' && </td></tr>
<tr><td class="h"><a name="318"></a>318</td><td></td><td></td><td></td><td></td><td class="s"> $file ne '' && </td></tr>
<tr><td class="h"><a name="319"></a>319</td><td></td><td></td><td></td><td></td><td class="s"> substr( $directory, -1 ) ne '/' && </td></tr>
<tr><td class="h"><a name="320"></a>320</td><td></td><td></td><td></td><td></td><td class="s"> substr( $file, 0, 1 ) ne '/' </td></tr>
<tr><td class="h"><a name="321"></a>321</td><td></td><td></td><td></td><td></td><td class="s"> ) {</td></tr>
<tr><td class="h"><a name="322"></a>322</td><td></td><td></td><td></td><td></td><td class="s"> $directory .= "/$file" ;</td></tr>
<tr><td class="h"><a name="323"></a>323</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="324"></a>324</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
<tr><td class="h"><a name="325"></a>325</td><td></td><td></td><td></td><td></td><td class="s"> $directory .= $file ;</td></tr>
<tr><td class="h"><a name="326"></a>326</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="327"></a>327</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="328"></a>328</td><td></td><td></td><td></td><td></td><td class="s"> return $directory ;</td></tr>
<tr><td class="h"><a name="329"></a>329</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="330"></a>330</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="331"></a>331</td><td></td><td></td><td></td><td></td><td class="s">=item abs2rel</td></tr>
<tr><td class="h"><a name="332"></a>332</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="333"></a>333</td><td></td><td></td><td></td><td></td><td class="s">Takes a destination path and an optional base path returns a relative path</td></tr>
<tr><td class="h"><a name="334"></a>334</td><td></td><td></td><td></td><td></td><td class="s">from the base path to the destination path:</td></tr>
<tr><td class="h"><a name="335"></a>335</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="336"></a>336</td><td></td><td></td><td></td><td></td><td class="s"> $rel_path = File::Spec->abs2rel( $path ) ;</td></tr>
<tr><td class="h"><a name="337"></a>337</td><td></td><td></td><td></td><td></td><td class="s"> $rel_path = File::Spec->abs2rel( $path, $base ) ;</td></tr>
<tr><td class="h"><a name="338"></a>338</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="339"></a>339</td><td></td><td></td><td></td><td></td><td class="s">If $base is not present or '', then L<cwd()|Cwd> is used. If $base is</td></tr>
<tr><td class="h"><a name="340"></a>340</td><td></td><td></td><td></td><td></td><td class="s">relative, then it is converted to absolute form using</td></tr>
<tr><td class="h"><a name="341"></a>341</td><td></td><td></td><td></td><td></td><td class="s">L</rel2abs()>. This means that it is taken to be relative to</td></tr>
<tr><td class="h"><a name="342"></a>342</td><td></td><td></td><td></td><td></td><td class="s">L<cwd()|Cwd>.</td></tr>
<tr><td class="h"><a name="343"></a>343</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="344"></a>344</td><td></td><td></td><td></td><td></td><td class="s">On systems that have a grammar that indicates filenames, this ignores the </td></tr>
<tr><td class="h"><a name="345"></a>345</td><td></td><td></td><td></td><td></td><td class="s">$base filename. Otherwise all path components are assumed to be</td></tr>
<tr><td class="h"><a name="346"></a>346</td><td></td><td></td><td></td><td></td><td class="s">directories.</td></tr>
<tr><td class="h"><a name="347"></a>347</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="348"></a>348</td><td></td><td></td><td></td><td></td><td class="s">If $path is relative, it is converted to absolute form using L</rel2abs()>.</td></tr>
<tr><td class="h"><a name="349"></a>349</td><td></td><td></td><td></td><td></td><td class="s">This means that it is taken to be relative to L<cwd()|Cwd>.</td></tr>
<tr><td class="h"><a name="350"></a>350</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="351"></a>351</td><td></td><td></td><td></td><td></td><td class="s">No checks against the filesystem are made. On VMS, there is</td></tr>
<tr><td class="h"><a name="352"></a>352</td><td></td><td></td><td></td><td></td><td class="s">interaction with the working environment, as logicals and</td></tr>
<tr><td class="h"><a name="353"></a>353</td><td></td><td></td><td></td><td></td><td class="s">macros are expanded.</td></tr>
<tr><td class="h"><a name="354"></a>354</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="355"></a>355</td><td></td><td></td><td></td><td></td><td class="s">Based on code written by Shigio Yamaguchi.</td></tr>
<tr><td class="h"><a name="356"></a>356</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="357"></a>357</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="358"></a>358</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="359"></a>359</td><td></td><td></td><td></td><td></td><td class="s">sub abs2rel {</td></tr>
<tr><td class="h"><a name="360"></a>360</td><td></td><td></td><td></td><td></td><td class="s"> my($self,$path,$base) = @_;</td></tr>
<tr><td class="h"><a name="361"></a>361</td><td></td><td></td><td></td><td></td><td class="s"> $base = $self->_cwd() unless defined $base and length $base;</td></tr>
<tr><td class="h"><a name="362"></a>362</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="363"></a>363</td><td></td><td></td><td></td><td></td><td class="s"> ($path, $base) = map $self->canonpath($_), $path, $base;</td></tr>
<tr><td class="h"><a name="364"></a>364</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="365"></a>365</td><td></td><td></td><td></td><td></td><td class="s"> if (grep $self->file_name_is_absolute($_), $path, $base) {</td></tr>
<tr><td class="h"><a name="366"></a>366</td><td></td><td></td><td></td><td></td><td class="s"> ($path, $base) = map $self->rel2abs($_), $path, $base;</td></tr>
<tr><td class="h"><a name="367"></a>367</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="368"></a>368</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
<tr><td class="h"><a name="369"></a>369</td><td></td><td></td><td></td><td></td><td class="s"> # save a couple of cwd()s if both paths are relative</td></tr>
<tr><td class="h"><a name="370"></a>370</td><td></td><td></td><td></td><td></td><td class="s"> ($path, $base) = map $self->catdir('/', $_), $path, $base;</td></tr>
<tr><td class="h"><a name="371"></a>371</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="372"></a>372</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="373"></a>373</td><td></td><td></td><td></td><td></td><td class="s"> my ($path_volume) = $self->splitpath($path, 1);</td></tr>
<tr><td class="h"><a name="374"></a>374</td><td></td><td></td><td></td><td></td><td class="s"> my ($base_volume) = $self->splitpath($base, 1);</td></tr>
<tr><td class="h"><a name="375"></a>375</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="376"></a>376</td><td></td><td></td><td></td><td></td><td class="s"> # Can't relativize across volumes</td></tr>
<tr><td class="h"><a name="377"></a>377</td><td></td><td></td><td></td><td></td><td class="s"> return $path unless $path_volume eq $base_volume;</td></tr>
<tr><td class="h"><a name="378"></a>378</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="379"></a>379</td><td></td><td></td><td></td><td></td><td class="s"> my $path_directories = ($self->splitpath($path, 1))[1];</td></tr>
<tr><td class="h"><a name="380"></a>380</td><td></td><td></td><td></td><td></td><td class="s"> my $base_directories = ($self->splitpath($base, 1))[1];</td></tr>
<tr><td class="h"><a name="381"></a>381</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="382"></a>382</td><td></td><td></td><td></td><td></td><td class="s"> # For UNC paths, the user might give a volume like //foo/bar that</td></tr>
<tr><td class="h"><a name="383"></a>383</td><td></td><td></td><td></td><td></td><td class="s"> # strictly speaking has no directory portion. Treat it as if it</td></tr>
<tr><td class="h"><a name="384"></a>384</td><td></td><td></td><td></td><td></td><td class="s"> # had the root directory for that volume.</td></tr>
<tr><td class="h"><a name="385"></a>385</td><td></td><td></td><td></td><td></td><td class="s"> if (!length($base_directories) and $self->file_name_is_absolute($base)) {</td></tr>
<tr><td class="h"><a name="386"></a>386</td><td></td><td></td><td></td><td></td><td class="s"> $base_directories = $self->rootdir;</td></tr>
<tr><td class="h"><a name="387"></a>387</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="388"></a>388</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="389"></a>389</td><td></td><td></td><td></td><td></td><td class="s"> # Now, remove all leading components that are the same</td></tr>
<tr><td class="h"><a name="390"></a>390</td><td></td><td></td><td></td><td></td><td class="s"> my @pathchunks = $self->splitdir( $path_directories );</td></tr>
<tr><td class="h"><a name="391"></a>391</td><td></td><td></td><td></td><td></td><td class="s"> my @basechunks = $self->splitdir( $base_directories );</td></tr>
<tr><td class="h"><a name="392"></a>392</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="393"></a>393</td><td></td><td></td><td></td><td></td><td class="s"> if ($base_directories eq $self->rootdir) {</td></tr>
<tr><td class="h"><a name="394"></a>394</td><td></td><td></td><td></td><td></td><td class="s"> shift @pathchunks;</td></tr>
<tr><td class="h"><a name="395"></a>395</td><td></td><td></td><td></td><td></td><td class="s"> return $self->canonpath( $self->catpath('', $self->catdir( @pathchunks ), '') );</td></tr>
<tr><td class="h"><a name="396"></a>396</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="397"></a>397</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="398"></a>398</td><td></td><td></td><td></td><td></td><td class="s"> while (@pathchunks && @basechunks && $self->_same($pathchunks[0], $basechunks[0])) {</td></tr>
<tr><td class="h"><a name="399"></a>399</td><td></td><td></td><td></td><td></td><td class="s"> shift @pathchunks ;</td></tr>
<tr><td class="h"><a name="400"></a>400</td><td></td><td></td><td></td><td></td><td class="s"> shift @basechunks ;</td></tr>
<tr><td class="h"><a name="401"></a>401</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="402"></a>402</td><td></td><td></td><td></td><td></td><td class="s"> return $self->curdir unless @pathchunks || @basechunks;</td></tr>
<tr><td class="h"><a name="403"></a>403</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="404"></a>404</td><td></td><td></td><td></td><td></td><td class="s"> # $base now contains the directories the resulting relative path </td></tr>
<tr><td class="h"><a name="405"></a>405</td><td></td><td></td><td></td><td></td><td class="s"> # must ascend out of before it can descend to $path_directory.</td></tr>
<tr><td class="h"><a name="406"></a>406</td><td></td><td></td><td></td><td></td><td class="s"> my $result_dirs = $self->catdir( ($self->updir) x @basechunks, @pathchunks );</td></tr>
<tr><td class="h"><a name="407"></a>407</td><td></td><td></td><td></td><td></td><td class="s"> return $self->canonpath( $self->catpath('', $result_dirs, '') );</td></tr>
<tr><td class="h"><a name="408"></a>408</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="409"></a>409</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="410"></a>410</td><td></td><td></td><td></td><td></td><td class="s">sub _same {</td></tr>
<tr><td class="h"><a name="411"></a>411</td><td></td><td></td><td></td><td></td><td class="s"> $_[1] eq $_[2];</td></tr>
<tr><td class="h"><a name="412"></a>412</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="413"></a>413</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="414"></a>414</td><td></td><td></td><td></td><td></td><td class="s">=item rel2abs()</td></tr>
<tr><td class="h"><a name="415"></a>415</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="416"></a>416</td><td></td><td></td><td></td><td></td><td class="s">Converts a relative path to an absolute path. </td></tr>
<tr><td class="h"><a name="417"></a>417</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="418"></a>418</td><td></td><td></td><td></td><td></td><td class="s"> $abs_path = File::Spec->rel2abs( $path ) ;</td></tr>
<tr><td class="h"><a name="419"></a>419</td><td></td><td></td><td></td><td></td><td class="s"> $abs_path = File::Spec->rel2abs( $path, $base ) ;</td></tr>
<tr><td class="h"><a name="420"></a>420</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="421"></a>421</td><td></td><td></td><td></td><td></td><td class="s">If $base is not present or '', then L<cwd()|Cwd> is used. If $base is</td></tr>
<tr><td class="h"><a name="422"></a>422</td><td></td><td></td><td></td><td></td><td class="s">relative, then it is converted to absolute form using</td></tr>
<tr><td class="h"><a name="423"></a>423</td><td></td><td></td><td></td><td></td><td class="s">L</rel2abs()>. This means that it is taken to be relative to</td></tr>
<tr><td class="h"><a name="424"></a>424</td><td></td><td></td><td></td><td></td><td class="s">L<cwd()|Cwd>.</td></tr>
<tr><td class="h"><a name="425"></a>425</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="426"></a>426</td><td></td><td></td><td></td><td></td><td class="s">On systems that have a grammar that indicates filenames, this ignores</td></tr>
<tr><td class="h"><a name="427"></a>427</td><td></td><td></td><td></td><td></td><td class="s">the $base filename. Otherwise all path components are assumed to be</td></tr>
<tr><td class="h"><a name="428"></a>428</td><td></td><td></td><td></td><td></td><td class="s">directories.</td></tr>
<tr><td class="h"><a name="429"></a>429</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="430"></a>430</td><td></td><td></td><td></td><td></td><td class="s">If $path is absolute, it is cleaned up and returned using L</canonpath()>.</td></tr>
<tr><td class="h"><a name="431"></a>431</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="432"></a>432</td><td></td><td></td><td></td><td></td><td class="s">No checks against the filesystem are made. On VMS, there is</td></tr>
<tr><td class="h"><a name="433"></a>433</td><td></td><td></td><td></td><td></td><td class="s">interaction with the working environment, as logicals and</td></tr>
<tr><td class="h"><a name="434"></a>434</td><td></td><td></td><td></td><td></td><td class="s">macros are expanded.</td></tr>
<tr><td class="h"><a name="435"></a>435</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="436"></a>436</td><td></td><td></td><td></td><td></td><td class="s">Based on code written by Shigio Yamaguchi.</td></tr>
<tr><td class="h"><a name="437"></a>437</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="438"></a>438</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="439"></a>439</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="440"></a>440</td><td></td><td></td><td></td><td></td><td class="s">sub rel2abs {</td></tr>
<tr><td class="h"><a name="441"></a>441</td><td></td><td></td><td></td><td></td><td class="s"> my ($self,$path,$base ) = @_;</td></tr>
<tr><td class="h"><a name="442"></a>442</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="443"></a>443</td><td></td><td></td><td></td><td></td><td class="s"> # Clean up $path</td></tr>
<tr><td class="h"><a name="444"></a>444</td><td></td><td></td><td></td><td></td><td class="s"> if ( ! $self->file_name_is_absolute( $path ) ) {</td></tr>
<tr><td class="h"><a name="445"></a>445</td><td></td><td></td><td></td><td></td><td class="s"> # Figure out the effective $base and clean it up.</td></tr>
<tr><td class="h"><a name="446"></a>446</td><td></td><td></td><td></td><td></td><td class="s"> if ( !defined( $base ) || $base eq '' ) {</td></tr>
<tr><td class="h"><a name="447"></a>447</td><td></td><td></td><td></td><td></td><td class="s"> $base = $self->_cwd();</td></tr>
<tr><td class="h"><a name="448"></a>448</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="449"></a>449</td><td></td><td></td><td></td><td></td><td class="s"> elsif ( ! $self->file_name_is_absolute( $base ) ) {</td></tr>
<tr><td class="h"><a name="450"></a>450</td><td></td><td></td><td></td><td></td><td class="s"> $base = $self->rel2abs( $base ) ;</td></tr>
<tr><td class="h"><a name="451"></a>451</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="452"></a>452</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
<tr><td class="h"><a name="453"></a>453</td><td></td><td></td><td></td><td></td><td class="s"> $base = $self->canonpath( $base ) ;</td></tr>
<tr><td class="h"><a name="454"></a>454</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="455"></a>455</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="456"></a>456</td><td></td><td></td><td></td><td></td><td class="s"> # Glom them together</td></tr>
<tr><td class="h"><a name="457"></a>457</td><td></td><td></td><td></td><td></td><td class="s"> $path = $self->catdir( $base, $path ) ;</td></tr>
<tr><td class="h"><a name="458"></a>458</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="459"></a>459</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="460"></a>460</td><td></td><td></td><td></td><td></td><td class="s"> return $self->canonpath( $path ) ;</td></tr>
<tr><td class="h"><a name="461"></a>461</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="462"></a>462</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="463"></a>463</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
<tr><td class="h"><a name="464"></a>464</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="465"></a>465</td><td></td><td></td><td></td><td></td><td class="s">=head1 COPYRIGHT</td></tr>
<tr><td class="h"><a name="466"></a>466</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="467"></a>467</td><td></td><td></td><td></td><td></td><td class="s">Copyright (c) 2004 by the Perl 5 Porters. All rights reserved.</td></tr>
<tr><td class="h"><a name="468"></a>468</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="469"></a>469</td><td></td><td></td><td></td><td></td><td class="s">This program is free software; you can redistribute it and/or modify</td></tr>
<tr><td class="h"><a name="470"></a>470</td><td></td><td></td><td></td><td></td><td class="s">it under the same terms as Perl itself.</td></tr>
<tr><td class="h"><a name="471"></a>471</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="472"></a>472</td><td></td><td></td><td></td><td></td><td class="s">=head1 SEE ALSO</td></tr>
<tr><td class="h"><a name="473"></a>473</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="474"></a>474</td><td></td><td></td><td></td><td></td><td class="s">L<File::Spec></td></tr>
<tr><td class="h"><a name="475"></a>475</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="476"></a>476</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="477"></a>477</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="478"></a>478</td><td></td><td></td><td></td><td></td><td class="s"># Internal routine to File::Spec, no point in making this public since</td></tr>
<tr><td class="h"><a name="479"></a>479</td><td></td><td></td><td></td><td></td><td class="s"># it is the standard Cwd interface. Most of the platform-specific</td></tr>
<tr><td class="h"><a name="480"></a>480</td><td></td><td></td><td></td><td></td><td class="s"># File::Spec subclasses use this.</td></tr>
<tr><td class="h"><a name="481"></a>481</td><td></td><td></td><td></td><td></td><td class="s">sub _cwd {</td></tr>
<tr><td class="h"><a name="482"></a>482</td><td></td><td></td><td></td><td></td><td class="s"> require Cwd;</td></tr>
<tr><td class="h"><a name="483"></a>483</td><td></td><td></td><td></td><td></td><td class="s"> Cwd::getcwd();</td></tr>
<tr><td class="h"><a name="484"></a>484</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="485"></a>485</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="486"></a>486</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="487"></a>487</td><td></td><td></td><td></td><td></td><td class="s"># Internal method to reduce xx\..\yy -> yy</td></tr>
<tr><td class="h"><a name="488"></a>488</td><td></td><td></td><td></td><td></td><td class="s">sub _collapse {</td></tr>
<tr><td class="h"><a name="489"></a>489</td><td></td><td></td><td></td><td></td><td class="s"> my($fs, $path) = @_;</td></tr>
<tr><td class="h"><a name="490"></a>490</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="491"></a>491</td><td></td><td></td><td></td><td></td><td class="s"> my $updir = $fs->updir;</td></tr>
<tr><td class="h"><a name="492"></a>492</td><td></td><td></td><td></td><td></td><td class="s"> my $curdir = $fs->curdir;</td></tr>
<tr><td class="h"><a name="493"></a>493</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="494"></a>494</td><td></td><td></td><td></td><td></td><td class="s"> my($vol, $dirs, $file) = $fs->splitpath($path);</td></tr>
<tr><td class="h"><a name="495"></a>495</td><td></td><td></td><td></td><td></td><td class="s"> my @dirs = $fs->splitdir($dirs);</td></tr>
<tr><td class="h"><a name="496"></a>496</td><td></td><td></td><td></td><td></td><td class="s"> pop @dirs if @dirs && $dirs[-1] eq '';</td></tr>
<tr><td class="h"><a name="497"></a>497</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="498"></a>498</td><td></td><td></td><td></td><td></td><td class="s"> my @collapsed;</td></tr>
<tr><td class="h"><a name="499"></a>499</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $dir (@dirs) {</td></tr>
<tr><td class="h"><a name="500"></a>500</td><td></td><td></td><td></td><td></td><td class="s"> if( $dir eq $updir and # if we have an updir</td></tr>
<tr><td class="h"><a name="501"></a>501</td><td></td><td></td><td></td><td></td><td class="s"> @collapsed and # and something to collapse</td></tr>
<tr><td class="h"><a name="502"></a>502</td><td></td><td></td><td></td><td></td><td class="s"> length $collapsed[-1] and # and its not the rootdir</td></tr>
<tr><td class="h"><a name="503"></a>503</td><td></td><td></td><td></td><td></td><td class="s"> $collapsed[-1] ne $updir and # nor another updir</td></tr>
<tr><td class="h"><a name="504"></a>504</td><td></td><td></td><td></td><td></td><td class="s"> $collapsed[-1] ne $curdir # nor the curdir</td></tr>
<tr><td class="h"><a name="505"></a>505</td><td></td><td></td><td></td><td></td><td class="s"> ) </td></tr>
<tr><td class="h"><a name="506"></a>506</td><td></td><td></td><td></td><td></td><td class="s"> { # then</td></tr>
<tr><td class="h"><a name="507"></a>507</td><td></td><td></td><td></td><td></td><td class="s"> pop @collapsed; # collapse</td></tr>
<tr><td class="h"><a name="508"></a>508</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="509"></a>509</td><td></td><td></td><td></td><td></td><td class="s"> else { # else</td></tr>
<tr><td class="h"><a name="510"></a>510</td><td></td><td></td><td></td><td></td><td class="s"> push @collapsed, $dir; # just hang onto it</td></tr>
<tr><td class="h"><a name="511"></a>511</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="512"></a>512</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="513"></a>513</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="514"></a>514</td><td></td><td></td><td></td><td></td><td class="s"> return $fs->catpath($vol,</td></tr>
<tr><td class="h"><a name="515"></a>515</td><td></td><td></td><td></td><td></td><td class="s"> $fs->catdir(@collapsed),</td></tr>
<tr><td class="h"><a name="516"></a>516</td><td></td><td></td><td></td><td></td><td class="s"> $file</td></tr>
<tr><td class="h"><a name="517"></a>517</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
<tr><td class="h"><a name="518"></a>518</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="519"></a>519</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="520"></a>520</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="521"></a>521</td><td class="c3">1</td><td class="c3"><span title="Avg 10µs">10µs</span></td><td></td><td></td><td class="s">1;</td></tr>
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