Find and convert WMA files into MP3, including audio and metadata, using ffmpeg.

wma2mp3.sh

#!/bin/bash

if [ $# -lt 1 ]; then
  echo "Usage: $(basename $0) directory"
  echo
  echo "Specify a directory containing wma files to convert into mp3."
  exit 1
fi

find "$1" -iname '*.wma' | while read i; do
  echo "Converting $i..."
  ffmpeg -y -i "$i" -ab 196k "${i/%\.[wW][mM][aA]/}.mp3" < /dev/null
done

exit 0