#!/bin/sh

find . -type f -iname "*.avi" -print0 | while IFS= read -r -d $'\0' infile ; do
  outfile="${infile%.*}.m4v"
  echo "Converting ${infile} to ${outfile}..."
  HandbrakeCLI -Z 'AppleTV 3' -q 25 -i "$infile" -o "$outfile"
done