Convert FLAC to ALAC with downsampling

f2a

#!/usr/bin/env bash
set -e

f2a () {
if [ -z $1 ]; then
  echo "usage: $0 dir"
  return 1
fi

for file in "$1"/*.flac; do
  echo -n "."
  ffmpeg -i "$file" -sample_fmt s16p -ar 48000 -acodec alac "${file%.*}.m4a"
done
}

f2a $1