[unix-history] / usr / src / usr.bin / diff / diff3 / diff3.sh

#! /bin/sh
#
#	diff3.sh	4.1	83/02/10
#
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$$
/usr/lib/diff3 $e /tmp/d3[ab]$$ $1 $2 $3
Commit	Line	Data
46356827 BS	1	#! /bin/sh
	2	#
	3	# diff3.sh 4.1 83/02/10
	4	#
	5	e=
	6	case $1 in
	7	-*)
	8	e=$1
	9	shift;;
	10	esac
	11	if test $# = 3 -a -f $1 -a -f $2 -a -f $3
	12	then
	13	:
	14	else
	15	echo usage: diff3 file1 file2 file3 1>&2
	16	exit
	17	fi
	18	trap "rm -f /tmp/d3[ab]$$" 0 1 2 13 15
	19	diff $1 $3 >/tmp/d3a$$
	20	diff $2 $3 >/tmp/d3b$$
	21	/usr/lib/diff3 $e /tmp/d3[ab]$$ $1 $2 $3