A script to convert a file in Windows Media Audio format to MP3

wma2mp3.sh

#!/bin/bash

# We need mplayer
if [ -z `which mplayer` ]; then
  sudo apt-get install mplayer
fi

# We need lame
if [ -z `which lame` ]; then
  sudo apt-get install lame
fi

if [ -z "$1" ]; then
  echo "usage: $0 <wmafile>" >&2
  exit 1
fi

wmafile="$1"
wavfile=`mktemp`
mp3file="${wmafile%.*}.mp3"

mplayer -vo null -vc dummy -af resample=44100 -ao pcm -ao pcm:waveheader -ao pcm:file="$wavfile"  "$wmafile"
lame -m s "$wavfile" -o "$mp3file"
rm "$wavfile"