#!/usr/bin/env bash # Unofficial Bash Strict Mode set -euo pipefail IFS=' ' print_content() { mkdir -p uncompressed tar -xpf done.tar -C uncompressed TZ=utc ls -l --time-style='+%F %R' uncompressed | sed 1d | awk '{print $1, $6, $7, $8, $9, $10}' | sed -e 's/[[:space:]]*$//' } submitted=$(cd student && print_content) expected=$(cd solutions && print_content) diff <(echo "$submitted") <(echo "$expected")