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Top Forums UNIX for Dummies Questions & Answers How to find untagged audio files? Post 302481963 by MrZehl on Monday 20th of December 2010 09:37:55 AM
Old 12-20-2010
Quote:
Originally Posted by radoulov
Assuming GNU system:

Code:
find -regextype awk -iregex '.*\.(mp3|flac)$' -print0 |
  xargs -0 id3 -l -R |
    awk -F: 'END { if (f) print $2 }
      /^Filename:/ { fn = $2; if (f) print $2; f = x }
      /^(t(itle|rack)|a(rtist|lbum)):/ && $2 ~ /track|unknown/ {
        f++
        }' IGNORECASE=1

If the above pipe-line throws an error, let us know what system are you using.
Wow, that is an educating command for me. Smilie
I use Ubuntu 10.10 and this doesn't give an error, but it doesn't work properly either.

First it found nothing in my test directory, which contains one mp3 album and a flac album.
That was expected because all tags were filled. Well not really expected, because there is only tested on id3 tags and my Flac files don't have id3 tags. So with the command above I should expect to show all my flac files. metatag should be used for
But all mp3 tags were filled. So I changed that. I emptied a title from one track, renamed another track to 'track' and another one to 'unknown'.

I would expect to show these 3 files, but when I tried again, he found 2 files. None of those were changed. He found 1 allright mp3 track and 1 allright flac track.

Strange, isn't it?

Ah... I tested some more and it looks like there isn't tested on an empty tag so it's correct that only two tracks are found, but there seems something wrong with the order of the tracks in the stream so I get 2 random files as output.

So to be perfected the command should be extended with the following:
- mp3 files should be tested with id3, flac with metaflac
- empty tracks should be recognised as well, where only spaces count as empty
- if an mp3 file has no id3 tag or a flac has no FLAC Vorbis tag I think it can be counted empty as well. But that is probably to hard to include that restriction in just one commandline. It's a minor.
- and last but not least: the right files should be reported.

And now I'm going to try to understand what you did in that commandline. It looks very interesting. Smilie
Maybe I'll can figure it out now before you do. Who knows.

I like the dirty trick t(itle|rack)|a(rtist|lbum) although it's 2 actually characters more than title|track|artist|album, it is a nice demonstration of the possibilities.

Last edited by MrZehl; 12-20-2010 at 10:38 AM.. Reason: typo
 

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MP3CUT(1)							   User Command 							 MP3CUT(1)

NAME
mp3cut - cut and assemble MP3 files SYNOPSIS
mp3cut [ -o outputfile ] [ -T title ] [ -A artist ] [ -N album-name ] [ -t [hh:]mm:ss[+ms]-[hh:]mm:ss[+ms] ] mp3file [[ -t ... ] mp3file1 ...] DESCRIPTION
The mp3cut utility cuts and assembles MP3 files according to the time specifications given on the command line. The mp3 output is written to the outputfile. If no outputfile is given on the command-line, the name for the outputfile is created from the name of the first mp3 file by adding output.mp3 at the end. The -t flag specifies which part of the mp3 file following it will be extracted. OPTIONS
-o outputfile Specify where the output is to be written. -T title Specify the title ID3 tag for the output file. -A artist Specify the artist ID3 tag for the output file. -N album-name Specify the album name ID3 tag for the output file. -t [hh:]mm:ss[+ms]-[hh:]mm:ss[+ms] Specify which part of the following mp3file will be included in the output file. hh = hours mm = minutes ss = seconds ms = milliseconds If the starting time is omitted, 00:00:00+00 is used as starting time. If the ending time is omitted, the end of the MP3 file is used as ending time. EXAMPLES
mp3cut -o output.mp3 -t 23:42+500-01:23:42+750 input.mp3 Cut the segment from 23 minutes, 42 seconds and 500 milliseconds to 1 hour, 23 minutes, 42 seconds and 750 milliseconds from input.mp3 and write the output to output.mp3. mp3cut -t 00:01-00:02 input1.mp3 -t -15:23 input2.mp3 -t 9:87+500- input3.mp3 Append the segments from input1.mp3, input2.mp3 and input3.mp3 and write the output to input1.output.mp3. AUTHORS
Manuel Odendahl <manuel@bl0rg.net>, Florian Wesch <dividuum@bl0rg.net> February 2005 MP3CUT(1)
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