#!/bin/bash t="help" # create tmp directory tmpdir="$(mktemp -d)" trap '{ rm -rf "${tmpdir}"; }' 0 2 3 15 # assertion cat << "DATA" > "${tmpdir}/${t}.assert" orcli - OpenRefine command-line interface written in Bash DATA # action cd "${tmpdir}" || exit 1 orcli --help | head -n1 > "${t}.output" # test diff -u "${t}.assert" "${t}.output"