#!/dis/sh -n
load expr file2chan arg

blocksize := 1024
pointersize := ${expr $blocksize 1219 x}

# assumes Roottype => Pointertype1 => Pointertype0
# and block aligned read/writes i.e. disk/kfs

args := $*
arenas := /mnt/arenas
(arg
	d+ {arenas = $arg}
	'*' {echo unkown option $opt}
	- $args
)

score := $1

Roottype1 := `{getclump -d $arenas $score}
#Pointertype1 := `{getclump -d $arenas $Roottype1}
Pointertype1 := $Roottype1

echo $#Pointertype1

file2chan /chan/dump {
	offset := ${rget offset}
	pi := ${expr $offset $pointersize / 1 +}
	rem := ${expr $offset $pointersize %}
	line := ${expr $rem $blocksize / 1 +}
	pscore := ${index $pi $Pointertype1}
	score := `{getclump -d $arenas $pscore |sed -n $line^p}
	getclump -d $arenas $score |putrdata
} {}