:
#	@(#) diff3.sh 23.2 91/10/01 
#
#	Copyright (C) 1988-1991 The Santa Cruz Operation, Inc.
#		All Rights Reserved.
#	The information in this file is provided for the exclusive use of
#	the licensees of The Santa Cruz Operation, Inc.  Such users have the
#	right to use, modify, and incorporate this code into other products
#	for purposes authorized by the license agreement provided they include
#	this notice and the associated copyright notice with any such product.
#	The information in this file is provided "AS IS" without warranty.
#
#	Copyright (c) 1984, 1986, 1987, 1988 AT&T
#	  All Rights Reserved

#	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T
#	The copyright notice above does not evidence any
#	actual or intended publication of such source code.


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$$
/usr/lib/diff3prog $e /tmp/d3[ab]$$ "$1" "$2" "$3"
