Wma2mp3 script unsing mplayer and lame

From S23Wiki

since you have installed mplayer and mp3encoder lame, you can use this script to convert the .wma files in your current directory into .mp3 - files.

#!/bin/sh
# name: wma2mp3.sh
# hundfred
# date: june 2004
# converts .wma files in the current directory to .mp3 files
#
# requires lame mp3 encoder and to decode the wma-files;
#mplayer is needed
for i in `ls | sed 's/ /_123BLANK_/g' | grep .wma` ; do {
        wma=$(echo $i | sed 's/_123BLANK_/ /g'); #fileman wmafile
        wav=$(echo $wma | sed 's/.wma/\.wav/g'); #filenname wavfile
        mp3=$(echo $wma | sed 's/.wma/\.mp3/g'); #filenname mp3
        mplayer "$wma" -ao pcm -aofile "$wav" && lame "$wav" "$mp3" && rm "$wav" && rm "$wma";
        }
done;