8.5 boddle again

[Russ Cox rsc@research.att.com]

8½okay.  lets pretend it never messed up
and see what happens.

--- cut here for 8active.bod ---
#!/bin/rc
#
# command: /bin/boddle /sys/clean-src/cmd/8½ /sys/src/cmd/8½
# srcdir: /sys/clean-src/cmd/8½
# version: 848378407
# date: Mon Nov 18 23:40:07 EST 1996
#
myname=$0
doextract=no

fn usage{
	echo $myname: usage: $myname '[-X] [src-directory]' >[1=2]
	exit usage
}

fn sigint{
	rm -rf 848378407
	exit interrupt
}

while(~ $1 -*){
	switch($1){
	case -X
		doextract=yes
	case -*
		usage
	}
	shift
}

switch($#*){
case 0
	srcdir=/sys/clean-src/cmd/8½
case 1
	srcdir=$1
case *
	usage
}

if(! ~ $doextract yes){
	echo This shell file contains a bundle of diffs representing changes
	echo to original source files in the Plan 9 distribution. It will run
	echo against the files in
	echo ' ' $srcdir
	echo '(unless overridden by the optional source directory argument)'
	echo and create a directory 848378407 containing the updated files.
	echo It will NOT automatically update the original files.
	echo
	echo Invoke with argument -X to perform the actual extraction.
	exit 0
}

rm -rf 848378407
mkdir 848378407

target=848378407/dat.h
echo -n '848378407/dat.h: '
if(! test -f $srcdir/dat.h || ! test -r $srcdir/dat.h){
	echo $srcdir/dat.h unreadable
	exit unreadable
}
sum=`{sum < $srcdir/dat.h}
if(! ~ 7bda55924355  $sum(1)^$sum(2)){
	echo $srcdir/dat.h is not the original distribution file
	exit original
}
cp $srcdir/dat.h 848378407/dat.h
ed 848378407/dat.h >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM dat.h'
177a
extern	int	active;