79 lines
2.5 KiB
Perl
Executable File
79 lines
2.5 KiB
Perl
Executable File
#!/usr/bin/perl
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=head1 NAME
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finddup - yet another tool for finding duplicates
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=cut
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use v5.10;
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no autovivification 'fetch';
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use File::Find;
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use File::stat;
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use File::Slurp;
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use Digest::SHA qw(sha256_hex);
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my ($needledir, $haystackdir) = @ARGV;
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my $haystack;
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find(sub {
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if (-f $_) {
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my $st = lstat($_);
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my $size = $st->size;
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my $hash = "";
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unless ($haystack->{$size}{$hash}) {
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$haystack->{$size}{$hash} = [];
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}
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push $haystack->{$size}{$hash}, { path => $File::Find::name,
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size => $size,
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dev => $st->dev,
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ino => $st->ino,
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};
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}
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},
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$haystackdir
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);
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find(
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{
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wanted => sub {
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if (-f $_) {
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my $st = lstat($_);
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my $size = $st->size;
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my $found;
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if ($haystack->{$size}) {
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if ($haystack->{$size}{""}) {
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for my $file (@{ $haystack->{$size}{""} }) {
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my $content = read_file($file->{path});
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my $hash = sha256_hex($content);
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unless ($haystack->{$size}{$hash}) {
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$haystack->{$size}{$hash} = [];
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}
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push $haystack->{$size}{$hash}, $file;
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}
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delete $haystack->{$size}{""};
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}
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my $content = read_file($_);
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my $hash = sha256_hex($content);
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if ($haystack->{$size}{$hash}) {
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for my $file (@{ $haystack->{$size}{$hash} }) {
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unless ($st->dev == $file->{dev} && $st->ino == $file->{ino}) {
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say "$_ -> $file->{path}";
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$found = 1;
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}
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}
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}
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}
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unless ($found) {
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say "$_ (NONE)";
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}
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}
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},
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no_chdir => 1,
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},
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$needledir
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);
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# vim: tw=132 sw=4 expandtab
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