ffmpeg batch conversion script. This script will take in mutlitple files from the command line and process them using the same ffmpeg options.

batch_ffmpeg.sh

# Script for converting list of files using ffmpeg
#
# Author: Fotios Lindiakos (fotioslindiakos@gmail.com)
#
# Usage: batch_ffmpeg.sh file1 [file2 file3 ...]

extension=mp3
options="-y"

for source in "$@"
do
  base=$(echo $source | cut -d "." -f1)
  target="$base.$extension"
  echo "Converting: $source -> $target"

  # Do the conversion
  ffmpeg $options -i $source $target

  # Adjust the modification date
  touch --date="$(date -r $source)" $target
done