#!/usr/bin/env bash # Unofficial Bash Strict Mode set -euo pipefail IFS=' ' FILENAME="student/to-git-or-not-to-git.sh" if [ -f ${FILENAME} ]; then if [ -s ${FILENAME} ]; then diff <(echo "$submitted") <(echo "$expected") else echo "The file exist but empty" exit 1 fi else echo "File does not exist" fi