#!/bin/sh# Usage: with_env ENV_FILE COMMAND [ARGS...]## This script lets you modify the environment of an executable before# launching it. It uses an 'env file' which must contain lines like# 'MY_VARIABLE="my value"'.#env_file=$1shift# Use set -a to export all variables defined in env_file.set-a."${env_file}"set +aexec"$@"