5 blib - Use MakeMaker's uninstalled version of a package
9 perl -Mblib script [args...]
11 perl -Mblib=dir script [args...]
15 Looks for MakeMaker-like I<'blib'> directory structure starting in
16 I<dir> (or current directory) and working back up to five levels of '..'.
18 Intended for use on command line with B<-M> option as a way of testing
19 arbitary scripts against an uninstalled version of a package.
21 However it is possible to :
27 etc. if you really must.
31 Pollutes global name space for development only task.
35 Nick Ing-Simmons nik@tiuk.ti.com
42 use vars qw($VERSION $Verbose);
50 if ($^O eq 'VMS') { ($dir = VMS::Filespec::unixify($dir)) =~ s-/\z--; }
56 $dir = File::Spec->curdir unless ($dir);
57 die "$dir is not a directory\n" unless (-d $dir);
60 my($blib, $blib_lib, $blib_arch);
63 $blib = File::Spec->catdir($dir, "blib");
64 $blib_lib = File::Spec->catdir($blib, "lib");
68 $blib_arch = File::Spec->catdir($blib_lib, $MacPerl::Architecture);
72 $blib_arch = File::Spec->catdir($blib, "arch");
75 if (-d $blib && -d $blib_arch && -d $blib_lib)
77 unshift(@INC,$blib_arch,$blib_lib);
78 warn "Using $blib\n" if $Verbose;
81 $dir = File::Spec->catdir($dir, File::Spec->updir);
83 die "Cannot find blib even in $dir\n";