#!/bin/bash

aflag=false
if [ "$1" = -a ]; then
	aflag=true
	shift
fi

files="$@"
if [ $# = 0 ]; then
	files=$(echo ./test.rc;
		grep -l '^#!/usr/lib/plan9/bin/rc' /usr/lib/plan9/bin/{*,*/*} 2>/dev/null;
		grep -R -l '^#!/bin/rc' $HOME/pub/plan9 | egrep -v 'plan9/(lib/(oui|pci)|sys/man|sys/lib/man|sys/lib/scsicodes)' 2>/dev/null)
fi

for i in $files
do
	if ! diff <(./o.rc -DY $i 2>&1) <(./o.rc -D $i 2>&1); then
		echo '^^^' $i
		! $aflag && exit 1
	fi
done

