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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 302603345 by chihung on Wednesday 29th of February 2012 07:42:44 PM
Old 02-29-2012
To ensure mp3gain process .mp3 files only in those directories that contain mp3 files, the first while loop + sort -u will single out the these directories. The second while loop will then cd into each of the directory to run mp3gain. I use sub-shell to cd to the directory so that I do not have to 'cd ..' back.
Code:
find /media/data/music -type f -name "*.mp3" | 
while read f
do
  echo ${f%/*}
done | sort -u | while read d
do 
  (cd $d && mp3gain -a -k -p *.mp3)
done

 

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LEARN ABOUT DEBIAN

bluemindo

bluemindo(1)						      General Commands Manual						      bluemindo(1)

NAME

       bluemindo - simple yet powerful audio player

SYNOPSIS

       bluemindo [options]

DESCRIPTION

       This manual page documents briefly the bluemindo command.

       bluemindo Bluemindo is a really simple but powerful audio player in Python/PyGTK, using GStreamer.  It can downloads albums or artists pic-
       tures and lyrics as doing desktop notifications or sending music to your Last.fm profile or on your Jabber account (via PEP).

       You can also choose the view mode: lightweight (very simple way to use the player: you only have a playlist), basic (you  have  a  tree	of
       artists>albums  and  a  playlist),  normal (the most usual mode for audio players), full (you have a list of artists and saved playlists, a
       list of albums covers by artists and the playlist) or albums.

OPTIONS

       These programs follow the usual GNU command line syntax, with long options starting with  two  dashes  (`-').   A  summary  of  options	is
       included below.	For a complete description, see the Info files.

       -h, --help
	      Show summary of options.

       --current
	      Show the current playing song artist, title and album.

       --current-cover
	      Show the path to the album cover of the current playing song.

       --current-lyrics
	      Show the lyrics for the current playing song.

       --playpause, --play, --pause
	      Play or pause the song.

       --stop Stop the song.

       --previous
	      Jump to the previous song in playlist.

       --next Jump to the next song in playlist.

       --volume-more [ STEP ]
	      Increase the volume, you can specify a step (0 > 100).

       --volume-less [ STEP ]
	      Decrease the volume, you can specify a step (0 > 100).

       --volume=VOLUME
	      Set the volume: 0 > 100.

       --reload
	      Reload the songs from your music folder.

       --quit, --plunge
	      Quit Bluemindo.

AUTHOR

       bluemindo was written by Erwan Briand <erwan@codingteam.net>.

       This manual page was written by Thibaut GIRKA <thibaut.girka@gmail.com>, for the Debian project (but may be used by others).

								   June 22, 2008						      bluemindo(1)
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