#!/bin/bash

for command_file in "$@"; do
    echo "$command_file"
    command=$(cat $command_file)
    expected=$(cat ${command_file%.*}.output)
    output="$($command 2>&1)"

   if [ "$output" != "$expected" ]; then
        diff  <(echo "$output" ) <(echo "$expected")
        exit 1
    fi

done