shithub: riscv

ref: c78384333ec9f0b819ba3a1fa508b89576a6eff6
dir: /sys/src/cmd/venti/words/backup.example/

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#!/bin/rc

rfork e
cd /usr/rsc
. bkup.info
fn x {
	echo x $*
	y=$1
	if(~ $#$y 0){
		$y=0
	}
	echo venti/wrarena -o $2 $3 $$y
	end=`{venti/wrarena -o $2 $3 $$y | grep '^end offset ' | sed 's/^end offset //'}
	if(~ $#end 1 && ! ~ $$y $end){
		$y=$end
		echo '#' `{date} >>bkup.info
		whatis $y >>bkup.info
	}
}
hget http://127.1:8000/index | 
awk '
/^index=/ { blockSize=0+substr($3, 11); }
/^arena=/ { arena=substr($1, 7); }
/^	arena=/ { start=0+substr($5, 2)-blockSize; printf("x %s %d %s\n", arena, start, $3); }
' |rc