for i in *.wma do wma=$(echo $i | sed 's/ /\\ /g') wav=$(echo $wma | sed 's/.wma/.wav/') mp3=$(echo $wma | sed 's/.wma/.mp3/') echo mplayer -quiet -vo null -vc dummy -af volume=0,resample=44100:0:1 -ao pcm:waveheader:file=$wav $wma echo lame -V0 -h -b 160 --vbr-new $wav $mp3 done