#! /bin/sh
# compare files to those in a directory
# -i means don't get upset about mismatches
# -e means strip .eg suffix off filenames
# -x means don't get upset if the file doesn't exist, but do if mismatch
ignore=n
strip=n
mustexist=y
for dummy
do
	case "$1" in
	-i)	ignore=y	;;
	-e)	strip=y		;;
	-x)	mustexist=n	;;
	--)	shift ; break	;;
	-*)	echo "$0: unknown option \`$1'" >&2 ; exit 2	;;
	*)	break		;;
	esac
	shift
done
case "$#" in
0|1)	echo "Usage: $0 [-i] dir file ..." >&2 ; exit 2	;;
esac

dest="$1"
shift
if test ! -d "$dest"
then
	echo "$0: directory \`$dest' does not exist" >&2
	exit 1
fi

status=0
for f
do
	case "$f" in
	*/*)	echo "$0: can't handle / in \`$f'" >&2 ; exit 1	;;
	esac
	case "$strip:$f" in
	y:*.eg)	d="$dest/`expr $f : '\(.*\)\.eg'`"	;;
	*)	d="$dest/$f"				;;
	esac
	if test -f $d
	then
		cmp $f $d || test " $ignore" = " y" || status=1
	elif test " $mustexist" = " y"
	then
		echo "$0: \`$d' does not exist!" >&2
		status=1
	fi
done
exit $status