#!/usr/bin/env bash # Unofficial Bash Strict Mode set -euo pipefail IFS=' ' script_dirS=$(cd -P "$(dirname "$BASH_SOURCE")" &>/dev/null && pwd) challenge() { submitted=$(cd "$1" && bash "$script_dirS"/student/find-files-extension.sh) expected=$(cd "$1" && bash "$script_dirS"/solutions/find-files-extension.sh) diff <(echo "$submitted") <(echo "$expected") } challenge find-files-extension/folder1 challenge find-files-extension/folder2