#!/bin/rc
#
# command: /bin/boddle /n/juke/plan_9/sys/src/cmd/cat.c /sys/src/cmd/cat.c
# srcdir: /n/juke/plan_9/sys/src/cmd
# version: 817699857
# date: Wed Nov 29 21:50:57 EST 1995
#
myname=$0
doextract=no

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

fn sigint{
	rm -rf 817699857
	exit interrupt
}

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

switch($#*){
case 0
	srcdir=/sys/src/cmd
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 817699857 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 817699857
mkdir 817699857

target=817699857/cat.c
echo -n '817699857/cat.c: '
if(! test -f $srcdir/cat.c || ! test -r $srcdir/cat.c){
	echo $srcdir/cat.c unreadable
	exit unreadable
}
sum=`{sum < $srcdir/cat.c}
if(! ~ 397ff51f666  $sum(1)^$sum(2)){
	echo $srcdir/cat.c is not the original distribution file
	exit original
}
cp $srcdir/cat.c 817699857/cat.c
ed 817699857/cat.c >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM cat.c'
36a
	if(n < 0)
		error("cat: error reading %s: ", s);
.
wq
//GO.SYSIN DD VADIM cat.c
sum=`{sum < 817699857/cat.c}
if(~ f67dff86716  $sum(1)^$sum(2))
	echo
if not{
	echo 817699857/cat.c checksum error creating updated file
	exit checksum
}