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Full Discussion: help using find/xargs to apply mp3gain to files
Top Forums Shell Programming and Scripting help using find/xargs to apply mp3gain to files Post 302603340 by audiophile on Wednesday 29th of February 2012 06:36:19 PM
Old 02-29-2012
help using find/xargs to apply mp3gain to files
I need to apply mp3gain (album mode) to all mp3 files in a given directory. Each album is in its own directory under /media/data/music/albums for example:

Code:
/media/data/music/albums/foo
/media/data/music/albums/bar
/media/data/music/albums/more

What needs to happen is:
Code:
cd /media/data/music/albums/foo && mp3gain -a -k -p *.mp3
cd /media/data/music/albums/bar && mp3gain -a -k -p *.mp3
cd /media/data/music/albums/more && mp3gain -a -k -p *.mp3

I want to use find and xargs to do this but am unsure how to craft the right syntax. I have used the this construct to accomplish tasks like this before, but this won't do both the cd into the dir and then run the mp3gain command.

Code:
find /media/data/music/album -type d -print0 | xargs -0 cd {} && mp3gain -a -k -p *.mp3

Thanks!
 

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LEARN ABOUT DEBIAN

replaygain

REPLAYGAIN(1)							       rgain							     REPLAYGAIN(1)

NAME

       replaygain - single file Replay Gain editor

SYNOPSIS

       replaygain [options] AUDIO_FILE [AUDIO_FILE ...]
       replaygain --help
       replaygain --version

DESCRIPTION

       replaygain applies or displays Replay Gain information for audio files.

OPTIONS

       --version
	      Display the version of the software.

       -h, --help
	      Display a short documentation.

       -f, --force
	      Recalculate Replay Gain even if the file already contains gain information.

       -d, --dry-run
	      Don't actually modify any files.

       -r REF, --reference-loudness=REF
	      Set the reference loudness to REF dB (default: 89 dB)

       --mp3-format=MP3_FORMAT
		 Choose the Replay Gain data format for MP3 files.  Since there is no commonly accepted standard for Replay Gain in MP3 files, you
		 need to choose.  Possible formats are :

	      o ql (used by Quod Libet). This is the default value.

	      o fb2k (read and written by foobar2000, also understood by Quod Libet)

	      o mp3gain (tags as written by the mp3gain program; this doesn't modify the MP3 audio data as said program does).

       --no-album
	      Don't write any album gain information.

       --show Don't calculate anything, simply show Replay Gain information for the  specified	files.	In  this  mode,  all  options  other  than
	      --mp3-format are ignored.

SEE ALSO

       collectiongain(1)

1.0								    2011-11-26							     REPLAYGAIN(1)
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