PWB1/sys/source/sccs4/cmd/sccsdiff

: sccsdiff 1.2
onintr intr
goto start
: intr
rm -f /tmp/get$$ >/dev/null
exit 1


DESCRIPTION:
	Run bdiff on two versions of a set of SCCS files
	$1 and $2 are two (old/new) SCCS get specifiers (-r... or -c...)
	if $3 begins with a "-" it is taken to be an argument for pr (e.g. -l84)
	$3 $4 ... are SCCS files which are gotten.


: start
if $n -lt 3 then
	echo "Usage: sccsdiff -r<old> -r<new> [pr flags] sccsfile ..."
	exit 1
endif
= a "$1"
shift
= b "$1"
shift

expr substr "$1" 1 1 ^ = c
if "x$c" = x- then
	= c "$1"
	shift
else
	= c " "
endif

while $1
	get -s -p -k $a $1 >/tmp/get$$
	if $r -eq 0 then
	   get -s -p -k $b $1 ^ bdiff /tmp/get$$ - ^ pr $c -h "$1: $a vs. $b"
	endif
	shift
end
rm /tmp/get$$