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<span class="siteTitle">NYTProf Performance Profile</span>
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For 01.HTTP.t
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<span class="siteSubtitle">Run on Tue May 4 15:25:55 2010<br />Reported on Tue May 4 15:26:12 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/darwin-2level/lib.pm</td>
</tr>
<tr>
<td class="h" align="right">Statements Executed</td>
<td align="left">41</td>
</tr>
<tr>
<td class="h" align="right">Statement Execution Time</td>
<td align="left">726µs</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%">48µs</span></td><td class="c0"><span title="0.0%">83µs</span></td><td class="sub_name"><span style="display: none;">lib::::import</span>lib::<a href="lib-pm-block.html#24">import</a></span></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">28µs</span></td><td class="c0"><span title="0.0%">49µs</span></td><td class="sub_name"><span style="display: none;">lib::::BEGIN@6</span>lib::<a href="lib-pm-block.html#6">BEGIN@6</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%">14µs</span></td><td class="c2"><span title="0.0%">19µs</span></td><td class="sub_name"><span style="display: none;">lib::::BEGIN@8</span>lib::<a href="lib-pm-block.html#8">BEGIN@8</a></span></td></tr>
<tr><td class="c0">4</td><td class="c0">4</td><td class="c1">2</td><td class="c3"><span title="0.0%">11µs</span></td><td class="c3"><span title="0.0%">11µs</span></td><td class="sub_name"><span style="display: none;">lib::::CORE:ftdir</span>lib::<a href="lib-pm-block.html#lib__CORE_ftdir">CORE:ftdir</a> (opcode)</span></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c1">2</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c3"><span title="0.0%">10µs</span></td><td class="sub_name"><span style="display: none;">lib::::CORE:ftis</span>lib::<a href="lib-pm-block.html#lib__CORE_ftis">CORE:ftis</a> (opcode)</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%">8µs</span></td><td class="sub_name"><span style="display: none;">lib::::_get_dirs</span>lib::<a href="lib-pm-block.html#85">_get_dirs</a></span></td></tr>
<tr><td class="c3">1</td><td class="c3">1</td><td class="c1">2</td><td class="c3"><span title="0.0%">3µs</span></td><td class="c3"><span title="0.0%">3µs</span></td><td class="sub_name"><span style="display: none;">lib::::CORE:match</span>lib::<a href="lib-pm-block.html#lib__CORE_match">CORE:match</a> (opcode)</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%">2µs</span></td><td class="c3"><span title="0.0%">2µs</span></td><td class="sub_name"><span style="display: none;">lib::::_nativize</span>lib::<a href="lib-pm-block.html#105">_nativize</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;">lib::::unimport</span>lib::<a href="lib-pm-block.html#65">unimport</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-darwin-2level-lib-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 lib;</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></td><td></td><td></td><td></td><td class="s"># THIS FILE IS AUTOMATICALLY GENERATED FROM lib_pm.PL.</td></tr>
<tr><td class="h"><a name="4"></a>4</td><td></td><td></td><td></td><td></td><td class="s"># ANY CHANGES TO THIS FILE WILL BE OVERWRITTEN BY THE NEXT PERL BUILD.</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="c0">3</td><td class="c0"><span title="Avg 14µs">42µs</span></td><td class="c1">2</td><td class="c0">70µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 49µs (28+21) within lib::BEGIN@6 which was called
# once (28µs+21µs) by main::BEGIN@2 at <a href="lib-pm-block.html#6">line 6</a></div></div>use Config;<div class="calls"><div class="calls_out"># spent 49µs making 1 call to <a href="lib-pm-block.html#6">lib::BEGIN@6</a>
# spent 21µs making 1 call to <a href="Config-pm-block.html#28">Config::import</a></div></div></td></tr>
<tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="8"></a>8</td><td class="c0">3</td><td class="c0"><span title="Avg 187µs">562µs</span></td><td class="c1">2</td><td class="c0">23µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 19µs (14+4) within lib::BEGIN@8 which was called
# once (14µs+4µs) by main::BEGIN@2 at <a href="lib-pm-block.html#8">line 8</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 19µs making 1 call to <a href="lib-pm-block.html#8">lib::BEGIN@8</a>
# spent 4µs making 1 call to <a href="strict-pm-block.html#34">strict::import</a></div></div></td></tr>
<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="10"></a>10</td><td class="c3">1</td><td class="c1"><span title="Avg 10µs">10µs</span></td><td class="c3">1</td><td class="c3">5µs</td><td class="s">my $archname = $Config{archname};<div class="calls"><div class="calls_out"># spent 5µs making 1 call to <a href="Config-pm-block.html#55">Config::FETCH</a></div></div></td></tr>
<tr><td class="h"><a name="11"></a>11</td><td class="c3">1</td><td class="c3"><span title="Avg 5µs">5µs</span></td><td class="c3">1</td><td class="c3">3µs</td><td class="s">my $version = $Config{version};<div class="calls"><div class="calls_out"># spent 3µs making 1 call to <a href="Config-pm-block.html#55">Config::FETCH</a></div></div></td></tr>
<tr><td class="h"><a name="12"></a>12</td><td class="c3">1</td><td class="c3"><span title="Avg 6µs">6µs</span></td><td class="c3">1</td><td class="c3">3µs</td><td class="s">my @inc_version_list = reverse split / /, $Config{inc_version_list};<div class="calls"><div class="calls_out"># spent 3µs making 1 call to <a href="Config-pm-block.html#55">Config::FETCH</a></div></div></td></tr>
<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"></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 class="c3">1</td><td class="c3"><span title="Avg 2µs">2µs</span></td><td></td><td></td><td class="s">our @ORIG_INC = @INC; # take a handy copy of 'original' value</td></tr>
<tr><td class="h"><a name="16"></a>16</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">our $VERSION = '0.62';</td></tr>
<tr><td class="h"><a name="17"></a>17</td><td class="c3">1</td><td class="c3"><span title="Avg 1µs">1µs</span></td><td></td><td></td><td class="s">my $Is_MacOS = $^O eq 'MacOS';</td></tr>
<tr><td class="h"><a name="18"></a>18</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">my $Mac_FS;</td></tr>
<tr><td class="h"><a name="19"></a>19</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">if ($Is_MacOS) {</td></tr>
<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"> require File::Spec;</td></tr>
<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s"> $Mac_FS = eval { require Mac::FileSpec::Unixish };</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"></td></tr>
<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 83µs (48+35) within lib::import which was called
# once (48µs+35µs) by main::BEGIN@2 at <a href="01-HTTP-t-block.html#2">line 2 of 01.HTTP.t</a></div></div>sub import {</td></tr>
<tr><td class="h"><a name="25"></a>25</td><td class="c0">5</td><td class="c1"><span title="Avg 3µs">14µs</span></td><td></td><td></td><td class="s"> shift;</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"> my %names;</td></tr>
<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"> foreach (reverse @_) {</td></tr>
<tr><td class="h"><a name="29"></a>29</td><td class="c0">10</td><td class="c0"><span title="Avg 5µs">53µs</span></td><td></td><td></td><td class="s"> my $path = $_; # we'll be modifying it, so break the alias</td></tr>
<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"> if ($path eq '') {</td></tr>
<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"> require Carp;</td></tr>
<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"> Carp::carp("Empty compile time value given to use lib");</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"></td></tr>
<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"> $path = _nativize($path);<div class="calls"><div class="calls_out"> # spent 2µs making 1 call to <a href="lib-pm-block.html#105">lib::_nativize</a></div></div></td></tr>
<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s"> if ($path !~ /\.par$/i && -e $path && ! -d _) {<div class="calls"><div class="calls_out"> # spent 10µs making 1 call to <a href="lib-pm-block.html#lib__CORE_ftis">lib::CORE:ftis</a>
# spent 3µs making 1 call to <a href="lib-pm-block.html#lib__CORE_match">lib::CORE:match</a>
# spent 2µs making 1 call to <a href="lib-pm-block.html#lib__CORE_ftdir">lib::CORE:ftdir</a></div></div></td></tr>
<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s"> require Carp;</td></tr>
<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s"> Carp::carp("Parameter to use lib must be directory, not file");</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"> unshift(@INC, $path);</td></tr>
<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s"> # Add any previous version directories we found at configure time</td></tr>
<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $incver (@inc_version_list)</td></tr>
<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s"> my $dir = $Is_MacOS</td></tr>
<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s"> ? File::Spec->catdir( $path, $incver )</td></tr>
<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s"> : "$path/$incver";</td></tr>
<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s"> unshift(@INC, $dir) if -d $dir;</td></tr>
<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"> # Put a corresponding archlib directory in front of $path if it</td></tr>
<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s"> # looks like $path has an archlib directory below it.</td></tr>
<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s"> my($arch_auto_dir, $arch_dir, $version_dir, $version_arch_dir)<div class="calls"><div class="calls_out"> # spent 8µs making 1 call to <a href="lib-pm-block.html#85">lib::_get_dirs</a></div></div></td></tr>
<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s"> = _get_dirs($path);</td></tr>
<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"> unshift(@INC, $arch_dir) if -d $arch_auto_dir;<div class="calls"><div class="calls_out"> # spent 5µs making 1 call to <a href="lib-pm-block.html#lib__CORE_ftdir">lib::CORE:ftdir</a></div></div></td></tr>
<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s"> unshift(@INC, $version_dir) if -d $version_dir;<div class="calls"><div class="calls_out"> # spent 2µs making 1 call to <a href="lib-pm-block.html#lib__CORE_ftdir">lib::CORE:ftdir</a></div></div></td></tr>
<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"> unshift(@INC, $version_arch_dir) if -d $version_arch_dir;<div class="calls"><div class="calls_out"> # spent 2µs making 1 call to <a href="lib-pm-block.html#lib__CORE_ftdir">lib::CORE:ftdir</a></div></div></td></tr>
<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s"> # remove trailing duplicates</td></tr>
<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s"> @INC = grep { ++$names{$_} == 1 } @INC;</td></tr>
<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s"> return;</td></tr>
<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s">sub unimport {</td></tr>
<tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s"> shift;</td></tr>
<tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s"> my %names;</td></tr>
<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"> foreach (@_) {</td></tr>
<tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s"> my $path = _nativize($_);</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"> my($arch_auto_dir, $arch_dir, $version_dir, $version_arch_dir)</td></tr>
<tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s"> = _get_dirs($path);</td></tr>
<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s"> ++$names{$path};</td></tr>
<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s"> ++$names{$arch_dir} if -d $arch_auto_dir;</td></tr>
<tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s"> ++$names{$version_dir} if -d $version_dir;</td></tr>
<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s"> ++$names{$version_arch_dir} if -d $version_arch_dir;</td></tr>
<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s"> # Remove ALL instances of each named directory.</td></tr>
<tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s"> @INC = grep { !exists $names{$_} } @INC;</td></tr>
<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s"> return;</td></tr>
<tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 8µs within lib::_get_dirs which was called
# once (8µs+0s) by lib::import at <a href="lib-pm-block.html#52">line 52</a></div></div>sub _get_dirs {</td></tr>
<tr><td class="h"><a name="86"></a>86</td><td class="c0">4</td><td class="c3"><span title="Avg 1µs">5µs</span></td><td></td><td></td><td class="s"> my($dir) = @_;</td></tr>
<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s"> my($arch_auto_dir, $arch_dir, $version_dir, $version_arch_dir);</td></tr>
<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s"> # we could use this for all platforms in the future, but leave it</td></tr>
<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s"> # Mac-only for now, until there is more time for testing it.</td></tr>
<tr><td class="h"><a name="91"></a>91</td><td class="c0">4</td><td class="c3"><span title="Avg 1µs">4µs</span></td><td></td><td></td><td class="s"> if ($Is_MacOS) {</td></tr>
<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s"> $arch_auto_dir = File::Spec->catdir( $dir, $archname, 'auto' );</td></tr>
<tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s"> $arch_dir = File::Spec->catdir( $dir, $archname, );</td></tr>
<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s"> $version_dir = File::Spec->catdir( $dir, $version );</td></tr>
<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s"> $version_arch_dir = File::Spec->catdir( $dir, $version, $archname );</td></tr>
<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s"> $arch_auto_dir = "$dir/$archname/auto";</td></tr>
<tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s"> $arch_dir = "$dir/$archname";</td></tr>
<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s"> $version_dir = "$dir/$version";</td></tr>
<tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s"> $version_arch_dir = "$dir/$version/$archname";</td></tr>
<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"> return($arch_auto_dir, $arch_dir, $version_dir, $version_arch_dir);</td></tr>
<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 2µs within lib::_nativize which was called
# once (2µs+0s) by lib::import at <a href="lib-pm-block.html#35">line 35</a></div></div>sub _nativize {</td></tr>
<tr><td class="h"><a name="106"></a>106</td><td class="c0">3</td><td class="c3"><span title="Avg 2µs">4µs</span></td><td></td><td></td><td class="s"> my($dir) = @_;</td></tr>
<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"> if ($Is_MacOS && $Mac_FS && ! -d $dir) {</td></tr>
<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"> $dir = Mac::FileSpec::Unixish::nativize($dir);</td></tr>
<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"> $dir .= ":" unless $dir =~ /:$/;</td></tr>
<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"> }</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"> return $dir;</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"></td></tr>
<tr><td class="h"><a name="116"></a>116</td><td class="c3">1</td><td class="c0"><span title="Avg 16µs">16µs</span></td><td></td><td></td><td class="s">1;</td></tr>
<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s">__END__</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">=head1 NAME</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">lib - manipulate @INC at compile time</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">=head1 SYNOPSIS</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"> use lib LIST;</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"> no lib LIST;</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">=head1 DESCRIPTION</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">This is a small simple module which simplifies the manipulation of @INC</td></tr>
<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s">at compile time.</td></tr>
<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s">It is typically used to add extra directories to perl's search path so</td></tr>
<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s">that later C<use> or C<require> statements will find modules which are</td></tr>
<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s">not located on perl's default search path.</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">=head2 Adding directories to @INC</td></tr>
<tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s">The parameters to C<use lib> are added to the start of the perl search</td></tr>
<tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s">path. Saying</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></td><td></td><td></td><td></td><td class="s"> use lib LIST;</td></tr>
<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s">is I<almost> the same as saying</td></tr>
<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"> BEGIN { unshift(@INC, LIST) }</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></td><td></td><td></td><td></td><td class="s">For each directory in LIST (called $dir here) the lib module also</td></tr>
<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s">checks to see if a directory called $dir/$archname/auto exists.</td></tr>
<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s">If so the $dir/$archname directory is assumed to be a corresponding</td></tr>
<tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s">architecture specific directory and is added to @INC in front of $dir.</td></tr>
<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s">lib.pm also checks if directories called $dir/$version and $dir/$version/$archname</td></tr>
<tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s">exist and adds these directories to @INC.</td></tr>
<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s">The current value of C<$archname> can be found with this command:</td></tr>
<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"> perl -V:archname</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">The corresponding command to get the current value of C<$version> is:</td></tr>
<tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s"> perl -V:version</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">To avoid memory leaks, all trailing duplicate entries in @INC are</td></tr>
<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s">removed.</td></tr>
<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s">=head2 Deleting directories from @INC</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">You should normally only add directories to @INC. If you need to</td></tr>
<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s">delete directories from @INC take care to only delete those which you</td></tr>
<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s">added yourself or which you are certain are not needed by other modules</td></tr>
<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s">in your script. Other modules may have added directories which they</td></tr>
<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s">need for correct operation.</td></tr>
<tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s">The C<no lib> statement deletes all instances of each named directory</td></tr>
<tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s">from @INC.</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">For each directory in LIST (called $dir here) the lib module also</td></tr>
<tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s">checks to see if a directory called $dir/$archname/auto exists.</td></tr>
<tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s">If so the $dir/$archname directory is assumed to be a corresponding</td></tr>
<tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s">architecture specific directory and is also deleted from @INC.</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">=head2 Restoring original @INC</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">When the lib module is first loaded it records the current value of @INC</td></tr>
<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s">in an array C<@lib::ORIG_INC>. To restore @INC to that value you</td></tr>
<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s">can say</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"> @INC = @lib::ORIG_INC;</td></tr>
<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s">=head1 CAVEATS</td></tr>
<tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s">In order to keep lib.pm small and simple, it only works with Unix</td></tr>
<tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s">filepaths. This doesn't mean it only works on Unix, but non-Unix</td></tr>
<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s">users must first translate their file paths to Unix conventions.</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"> # VMS users wanting to put [.stuff.moo] into </td></tr>
<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"> # their @INC would write</td></tr>
<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s"> use lib 'stuff/moo';</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">=head1 NOTES</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">In the future, this module will likely use File::Spec for determining</td></tr>
<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s">paths, as it does now for Mac OS (where Unix-style or Mac-style paths</td></tr>
<tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s">work, and Unix-style paths are converted properly to Mac-style paths</td></tr>
<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s">before being added to @INC).</td></tr>
<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s">If you try to add a file to @INC as follows:</td></tr>
<tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s"> use lib 'this_is_a_file.txt';</td></tr>
<tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s">C<lib> will warn about this. The sole exceptions are files with the</td></tr>
<tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s">C<.par> extension which are intended to be used as libraries.</td></tr>
<tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s">=head1 SEE ALSO</td></tr>
<tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s">FindBin - optional module which deals with paths relative to the source file.</td></tr>
<tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s">PAR - optional module which can treat C<.par> files as Perl libraries.</td></tr>
<tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s">=head1 AUTHOR</td></tr>
<tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s">Tim Bunce, 2nd June 1995.</td></tr>
<tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s">C<lib> is maintained by the perl5-porters. Please direct</td></tr>
<tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s">any questions to the canonical mailing list. Anything that</td></tr>
<tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s">is applicable to the CPAN release can be sent to its maintainer,</td></tr>
<tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s">though.</td></tr>
<tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="230"></a>230</td><td></td><td></td><td></td><td></td><td class="s">Maintainer: The Perl5-Porters <perl5-porters@perl.org></td></tr>
<tr><td class="h"><a name="231"></a>231</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s">Maintainer of the CPAN release: Steffen Mueller <smueller@cpan.org></td></tr>
<tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s">=head1 COPYRIGHT AND LICENSE</td></tr>
<tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s">This package has been part of the perl core since perl 5.001.</td></tr>
<tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s">It has been released separately to CPAN so older installations</td></tr>
<tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s">can benefit from bug fixes.</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">This package has the same copyright and license as the perl core.</td></tr>
<tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
<tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
<tr><td class="h"><a name="lib__CORE_ftdir"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 11µs within lib::CORE:ftdir which was called 4 times, avg 3µs/call:
# once (5µs+0s) by lib::import at <a href="lib-pm-block.html#54">line 54 of lib.pm</a>
# once (2µs+0s) by lib::import at <a href="lib-pm-block.html#55">line 55 of lib.pm</a>
# once (2µs+0s) by lib::import at <a href="lib-pm-block.html#37">line 37 of lib.pm</a>
# once (2µs+0s) by lib::import at <a href="lib-pm-block.html#56">line 56 of lib.pm</a></div></div>sub lib::CORE:ftdir; # xsub<br /> </td></tr>
<tr><td class="h"><a name="lib__CORE_ftis"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 10µs within lib::CORE:ftis which was called
# once (10µs+0s) by lib::import at <a href="lib-pm-block.html#37">line 37 of lib.pm</a></div></div>sub lib::CORE:ftis; # xsub<br /> </td></tr>
<tr><td class="h"><a name="lib__CORE_match"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 3µs within lib::CORE:match which was called
# once (3µs+0s) by lib::import at <a href="lib-pm-block.html#37">line 37 of lib.pm</a></div></div>sub lib::CORE:match; # xsub<br /> </td></tr>
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