53 lines
1.2 KiB
Perl
Executable File
53 lines
1.2 KiB
Perl
Executable File
#!/usr/bin/perl
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use warnings;
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use strict;
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use File::Find;
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use MIME::Parser;
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my $parser = new MIME::Parser;
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$parser->output_to_core(1);
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$parser->tmp_to_core(1);
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my %files;
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my %messages;
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sub check_file {
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unless (-f) {
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return;
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}
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my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
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$atime,$mtime,$ctime,$blksize,$blocks) = stat(_);
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if ($files{"$dev.$ino"}) {
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# we already looked at this file - skip
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return;
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}
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my $entity = $parser->parse_open($_);
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unless ($entity) {
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print STDERR "$File::Find::name cannot be parsed: skipping\n";
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return;
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}
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my $mid = $entity->head->get('Message-Id');
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unless ($mid) {
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print STDERR "$File::Find::name contains no message id: skipping\n";
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return;
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}
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if ($messages{$mid}) {
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# duplicate!
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print STDERR "$File::Find::name is a duplicate of ",
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$files{$messages{$mid}},
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"\n";
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my $ft = $File::Find::name;
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$ft =~ s|(.*/)(.*)|$1|;
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$ft .= "removedups.$$." . rand;
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link ($files{$messages{$mid}}, $ft) && rename ($ft, $File::Find::name) || do {
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print STDERR "\terror: $!\n";
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};
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return;
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}
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$messages{$mid} = "$dev.$ino";
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$files{"$dev.$ino"} = $File::Find::name;
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}
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find(\&check_file, @ARGV);
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