#line 1
# FindBin.pm
#
# Copyright (c) 1995 Graham Barr & Nick Ing-Simmons. All rights reserved.
# This program is free software; you can redistribute it and/or modify it
# under the same terms as Perl itself.
#line 92
package FindBin;
use Carp;
require 5.000;
require Exporter;
use Cwd qw(getcwd cwd abs_path);
use Config;
use File::Basename;
use File::Spec;
@EXPORT_OK = qw($Bin $Script $RealBin $RealScript $Dir $RealDir);
%EXPORT_TAGS = (ALL => [qw($Bin $Script $RealBin $RealScript $Dir $RealDir)]);
@ISA = qw(Exporter);
$VERSION = "1.47";
sub cwd2 {
my $cwd = getcwd();
# getcwd might fail if it hasn't access to the current directory.
# try harder.
defined $cwd or $cwd = cwd();
$cwd;
}
sub init
{
*Dir = \$Bin;
*RealDir = \$RealBin;
if($0 eq '-e' || $0 eq '-')
{
# perl invoked with -e or script is on C<STDIN>
$Script = $RealScript = $0;
$Bin = $RealBin = cwd2();
}
else
{
my $script = $0;
if ($^O eq 'VMS')
{
($Bin,$Script) = VMS::Filespec::rmsexpand($0) =~ /(.*\])(.*)/s;
($RealBin,$RealScript) = ($Bin,$Script);
}
else
{
my $dosish = ($^O eq 'MSWin32' or $^O eq 'os2');
unless(($script =~ m#/# || ($dosish && $script =~ m#\\#))
&& -f $script)
{
my $dir;
foreach $dir (File::Spec->path)
{
my $scr = File::Spec->catfile($dir, $script);
if(-r $scr && (!$dosish || -x _))
{
$script = $scr;
if (-f $0)
{
# $script has been found via PATH but perl could have
# been invoked as 'perl file'. Do a dumb check to see
# if $script is a perl program, if not then $script = $0
#
# well we actually only check that it is an ASCII file
# we know its executable so it is probably a script
# of some sort.
$script = $0 unless(-T $script);
}
last;
}
}
}
croak("Cannot find current script '$0'") unless(-f $script);
# Ensure $script contains the complete path in case we C<chdir>
$script = File::Spec->catfile(cwd2(), $script)
unless File::Spec->file_name_is_absolute($script);
($Script,$Bin) = fileparse($script);
# Resolve $script if it is a link
while(1)
{
my $linktext = readlink($script);
($RealScript,$RealBin) = fileparse($script);
last unless defined $linktext;
$script = (File::Spec->file_name_is_absolute($linktext))
? $linktext
: File::Spec->catfile($RealBin, $linktext);
}
# Get absolute paths to directories
if ($Bin) {
my $BinOld = $Bin;
$Bin = abs_path($Bin);
defined $Bin or $Bin = File::Spec->canonpath($BinOld);
}
$RealBin = abs_path($RealBin) if($RealBin);
}
}
}
BEGIN { init }
*again = \&init;
1; # Keep require happy