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I have a bunch of recovered mp3 files that have system generated filenames. I want to use any embedded ID3 tag info in the files to rename each one to something human readable.

I've tried 'mp3rename' from the debian apt repo but it doesn't handle mp3 files without id3 tagging automatically. Is there a workable alternative?

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2 Answers

up vote 2 down vote accepted

id3v2 and some scripting should make this possible. I'll look through the man pages and try to write up an example, but id3v2 -l file will list the tags from that file. From there you can pipe through awk/sed/whatever to end up with a command to rename the file.

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If you like Perl, an easy way to get a hold of the tags is this:

#!/usr/bin/env perl
use File::Find;
use MP3::Tag;
use Cwd;

$dir = ".";
open(OUTFILE,">tags.txt") || die "Can't open: $!\n";
print OUTFILE 'Output for "'.getcwd().'"'." and subdirectories\n";
print OUTFILE "Path;Artist;Title;Track;Album;Year;Genre;File Size\n";

find(\&edits, $dir);
close(OUTFILE);
print "Done\n";

sub edits() 
{
    $fn=$_;
    $not_shown=1;
    if ( -f and $fn=~m/.+\.mp3$/ig)
        {
        $mp3 = MP3::Tag->new($fn);
        ($title, $track, $artist, $album, $comment, $year, $genre) = $mp3->autoinfo();
        $fs= -s $fn;
        print OUTFILE "$File::Find::name\\$fn;$artist;$title;$track;$album;$year;$genre;$fs\n";
        }
    if ( -f and $fn=~m/.+\.wav$|\.m4a$/ig)
        {
        $fs= -s $fn;
        print OUTFILE "$File::Find::name\\$fn;;;;;;;$fs\n";
        }
}

From there, a little scripting, and you've got what you want.

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