#!/bin/sh - # # Copyright (c) 1991, 1993 # The Regents of the University of California. All rights reserved. # # This module is believed to contain source code proprietary to AT&T. # Use and redistribution is subject to the Berkeley Software License # Agreement and your Software Agreement with AT&T (Western Electric). # # @(#)diff3.sh 8.1 (Berkeley) 6/6/93 # e= case $1 in -*) e=$1 shift;; esac if test $# = 3 -a -f $1 -a -f $2 -a -f $3 then : else echo usage: diff3 file1 file2 file3 1>&2 exit fi trap "rm -f /tmp/d3[ab]$$" 0 1 2 13 15 diff $1 $3 >/tmp/d3a$$ diff $2 $3 >/tmp/d3b$$ /usr/libexec/diff3 $e /tmp/d3[ab]$$ $1 $2 $3