#!/bin/rc
#
# command: /bin/boddle /n/juke/plan_9/sys/src/cmd/du.c /sys/src/cmd/du.c
# srcdir: /n/juke/plan_9/sys/src/cmd
# version: 838137641
# date: Tue Jul 23 12:00:41 EDT 1996
#
myname=$0
doextract=no

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

fn sigint{
	rm -rf 838137641
	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 838137641 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 838137641
mkdir 838137641

target=838137641/du.c
echo -n '838137641/du.c: '
if(! test -f $srcdir/du.c || ! test -r $srcdir/du.c){
	echo $srcdir/du.c unreadable
	exit unreadable
}
sum=`{sum < $srcdir/du.c}
if(! ~ 8239bfaf2308  $sum(1)^$sum(2)){
	echo $srcdir/du.c is not the original distribution file
	exit original
}
cp $srcdir/du.c 838137641/du.c
ed 838137641/du.c >/dev/null >[2=1] <<'//GO.SYSIN DD VADIM du.c'
25,29c
		if(s) {
			blocksize = strtoul(s, &ss, 0);
			if(s == ss)
				blocksize = 1;
			if(*ss == 'k')
				blocksize *= 1024;
		}
.
22c
	case 'a':
		aflag=1;
		break;
.
wq
//GO.SYSIN DD VADIM du.c
sum=`{sum < 838137641/du.c}
if(~ 751a56802331  $sum(1)^$sum(2))
	echo
if not{
	echo 838137641/du.c checksum error creating updated file
	exit checksum
}