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Name	Size	Permission	Date
Attribute	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
B	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
CPAN	[ DIR ]	drwxr-xr-x	2023-11-26 16:49
Class	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Compress	[ DIR ]	drwxr-xr-x	2023-11-26 15:03
Config	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
DBM_Filter	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Devel	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
ExtUtils	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
File	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Getopt	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
I18N	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
IO	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
IPC	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Locale	[ DIR ]	drwxr-xr-x	2025-07-28 08:08
Math	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Memoize	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Module	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Net	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Pod	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Search	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Term	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Text	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Thread	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Tie	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
Time	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
URI	[ DIR ]	drwxr-xr-x	2023-11-25 18:26
Unicode	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
User	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
encoding	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
overload	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
pod	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
unicore	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
vendor_perl	[ DIR ]	drwxr-xr-x	2025-08-24 11:48
warnings	[ DIR ]	drwxr-xr-x	2025-07-29 15:03
AnyDBM_File.pm	2.56 KB	-rw-r--r--	2025-07-28 08:07
AutoLoader.pm	15.43 KB	-rw-r--r--	2025-07-28 08:07
AutoSplit.pm	19.18 KB	-rw-r--r--	2025-07-28 08:07
Benchmark.pm	30.3 KB	-rw-r--r--	2025-07-28 08:07
CORE.pod	3.11 KB	-rw-r--r--	2025-07-28 08:07
DB.pm	18.48 KB	-rw-r--r--	2025-07-28 08:07
DBM_Filter.pm	14.05 KB	-rw-r--r--	2025-07-28 08:07
DirHandle.pm	1.52 KB	-rw-r--r--	2025-07-28 08:07
Dumpvalue.pm	17.14 KB	-rw-r--r--	2025-07-28 08:07
English.pm	4.65 KB	-rw-r--r--	2025-07-28 08:07
FileCache.pm	5.44 KB	-rw-r--r--	2025-07-28 08:07
FileHandle.pm	6.63 KB	-rw-r--r--	2025-07-28 08:07
FindBin.pm	4.45 KB	-rw-r--r--	2025-07-28 08:07
Internals.pod	2.52 KB	-rw-r--r--	2025-07-28 08:07
Memoize.pm	35.34 KB	-rw-r--r--	2025-07-28 08:08
NEXT.pm	18.4 KB	-rw-r--r--	2025-07-28 08:07
PerlIO.pm	10.21 KB	-rw-r--r--	2025-07-28 08:07
Safe.pm	24.49 KB	-rw-r--r--	2025-07-28 08:07
SelectSaver.pm	1.05 KB	-rw-r--r--	2025-07-28 08:07
SelfLoader.pm	17.28 KB	-rw-r--r--	2025-07-28 08:08
Symbol.pm	4.69 KB	-rw-r--r--	2025-07-28 08:07
Test.pm	29.35 KB	-rw-r--r--	2025-07-28 08:08
Thread.pm	8.09 KB	-rw-r--r--	2025-07-28 08:07
UNIVERSAL.pm	6.44 KB	-rw-r--r--	2025-07-28 08:07
URI.pm	33.97 KB	-rw-r--r--	2018-01-09 06:42
XSLoader.pm	11 KB	-rw-r--r--	2025-07-28 08:07
_charnames.pm	32.39 KB	-rw-r--r--	2025-07-28 08:07
autouse.pm	4.14 KB	-rw-r--r--	2025-07-28 08:07
base.pm	10.72 KB	-rw-r--r--	2025-07-28 08:07
blib.pm	2.04 KB	-rw-r--r--	2025-07-28 08:07
bytes.pm	3.67 KB	-rw-r--r--	2025-07-28 08:07
bytes_heavy.pl	758 B	-rw-r--r--	2025-07-28 08:07
charnames.pm	20.38 KB	-rw-r--r--	2025-07-28 08:07
deprecate.pm	3.01 KB	-rw-r--r--	2025-07-28 08:07
diagnostics.pm	18.59 KB	-rw-r--r--	2025-07-28 08:07
dumpvar.pl	15.19 KB	-rw-r--r--	2025-07-28 08:07
feature.pm	16.68 KB	-rw-r--r--	2025-07-28 08:07
fields.pm	9.27 KB	-rw-r--r--	2025-07-28 08:07
filetest.pm	3.91 KB	-rw-r--r--	2025-07-28 08:07
if.pm	3.26 KB	-rw-r--r--	2025-07-28 08:07
integer.pm	3.18 KB	-rw-r--r--	2025-07-28 08:07
less.pm	3.13 KB	-rw-r--r--	2025-07-28 08:07
locale.pm	4.74 KB	-rw-r--r--	2025-07-28 08:07
meta_notation.pm	2.07 KB	-rw-r--r--	2025-07-28 08:07
open.pm	7.83 KB	-rw-r--r--	2025-07-28 08:08
overload.pm	52.06 KB	-rw-r--r--	2025-07-28 08:07
overloading.pm	1.77 KB	-rw-r--r--	2025-07-28 08:07
perl5db.pl	309 KB	-rw-r--r--	2025-07-28 08:07
sigtrap.pm	7.43 KB	-rw-r--r--	2025-07-28 08:07
sort.pm	5.94 KB	-rw-r--r--	2025-07-28 08:07
strict.pm	4.63 KB	-rw-r--r--	2025-07-28 08:07
subs.pm	848 B	-rw-r--r--	2025-07-28 08:07
utf8.pm	8.9 KB	-rw-r--r--	2025-07-28 08:07
utf8_heavy.pl	30.87 KB	-rw-r--r--	2025-07-28 08:07
vars.pm	2.36 KB	-rw-r--r--	2025-07-28 08:07
vmsish.pm	4.21 KB	-rw-r--r--	2025-07-28 08:07
warnings.pm	43.71 KB	-rw-r--r--	2025-07-28 08:07

Rename

package blib;

=head1 NAME

blib - Use MakeMaker's uninstalled version of a package

=head1 SYNOPSIS

perl -Mblib script [args...]

perl -Mblib=dir script [args...]

=head1 DESCRIPTION

Looks for MakeMaker-like I<'blib'> directory structure starting in
I<dir> (or current directory) and working back up to five levels of '..'.

Intended for use on command line with B<-M> option as a way of testing
arbitrary scripts against an uninstalled version of a package.

However it is possible to :

use blib;
 or
 use blib '..';

etc. if you really must.

=head1 BUGS

Pollutes global name space for development only task.

=head1 AUTHOR

Nick Ing-Simmons nik@tiuk.ti.com

=cut

use Cwd;
use File::Spec;

use vars qw($VERSION $Verbose);
$VERSION = '1.06';
$Verbose = 0;

sub import
{
 my $package = shift;
 my $dir;
 if ($^O eq "MSWin32" && -f "Win32.xs") {
     # We don't use getcwd() on Windows because it will internally
     # call Win32::GetCwd(), which will get the Win32 module loaded.
     # That means that it would not be possible to run `make test`
     # for the Win32 module because blib.pm would always load the
     # installed version before @INC gets updated with the blib path.
     chomp($dir = `cd`);
 }
 else {
     $dir = getcwd;
 }
 if ($^O eq 'VMS') { ($dir = VMS::Filespec::unixify($dir)) =~ s-/\z--; }
 if (@_)
  {
   $dir = shift;
   $dir =~ s/blib\z//;
   $dir =~ s,/+\z,,;
   $dir = File::Spec->curdir unless ($dir);
   die "$dir is not a directory\n" unless (-d $dir);
  }

# detaint: if the user asked for blib, s/he presumably knew
 # what s/he wanted
 $dir = $1 if $dir =~ /^(.*)$/;

my $i = 5;
 my($blib, $blib_lib, $blib_arch);
 while ($i--)
  {
   $blib = File::Spec->catdir($dir, "blib");
   $blib_lib = File::Spec->catdir($blib, "lib");
   $blib_arch = File::Spec->catdir($blib, "arch");

if (-d $blib && -d $blib_arch && -d $blib_lib)
    {
     unshift(@INC,$blib_arch,$blib_lib);
     warn "Using $blib\n" if $Verbose;
     return;
    }
   $dir = File::Spec->catdir($dir, File::Spec->updir);
  }
 die "Cannot find blib even in $dir\n";
}