tutorial - Script to convert .m4a to .mp3

Put all your .m4a files (that you want to convert) into a folder and execute the following script from within this folder, make sure to make this script executable (chmod 777 m4a2mp3.sh)

#!/bin/sh
# name of this script: m4a2mp3.sh
# m4a to mp3

for i in *.m4a; do
faad "$i"
x=`echo "$i"|sed -e 's/.m4a/.wav/'`
y=`echo "$i"|sed -e 's/.m4a/.mp3/'`
lame -h -b 192 "$x" "$y"
rm "$x"
done

Dependencies

faad2 and lame



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source:http://linuxpoison.blogspot.com/2008/02/13578175804763.html