#!/bin/sh
set -
diff=/usr/local/bin/diff
cdiff=/usr/local/bin/cdiff
for i in $*
	do
	case $i in
		-c)           diff=$cdiff;;
		-c[0-9])      diff=$cdiff;;
		-c[0-9][0-9]) diff=$cdiff;;
		*) ;;
		esac
	done
exec $diff $*
