#!/bin/bash -e
# Use grep and sed to replace $1 with $2 recursively and print what is done
grep --null --recursive --files-with-matches \
  --binary-files=without-match $(echo $DIRS_IGNORE | sed 's/-x/--exclude-dir/g') "$1" -- "${@:3}" |
	xargs -0 sed -i "\%${1}%{
		s||${2}|g
		w /dev/stdout
	}"