Bash Funcion which returns the oldest file for specified path (recursive)

getOldestFile.sh

getOldestFile(){
  # Returns oldest file in path specified by $1
  if [ -z "$1" ]; then
    echo "No Path argument given - exiting."
    exit 1
  fi
  find $1 -type f -printf '%T+ %p\n' | sort | head -1 | cut -d' ' -f2
}