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Do you know where your variables are?

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#!/usr/bin/perl -w use strict; my @path = split /:/, $ENV{PATH}; my %path_inodes; my @clean_path; for (@path) { next unless m#^/#; my ($dev,$ino) = stat; next unless defined $dev; my $key = "$dev $ino"; if (exists $path_inodes{$key}) { print "warning: $_ is linked to $path_inodes{$key}\n"; next; } $path_inodes{$key} = $_; push @clean_path, $_; } my %progs; ## print "clean path is @clean_path\n"; for my $dir (@clean_path) { use DirHandle; my @files = sort grep !/^\.\.?$/, DirHandle->new($dir)->read; ## print "$dir: @files\n"; for my $file (@files) { if (exists $progs{$file}) { print "$file in $dir is shadowed by $progs{$file}\n"; next; } $progs{$file} = $dir; } }

In reply to Pathfinder - find duplicate (shadowed) programs in your PATH by merlyn

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