shithub: riscv

ref: a83ce26b41be995bcde2b8f6bec6f93522f4f514
dir: /rc/bin/inst/hasmbr/

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#!/bin/rc

if(! ~ $#* 1) {
	echo 'usage: hasmbr /dev/sdC0/part' >[1=2]
	exit usage
}

x=`{xd -b $1 | sed -n '32p;32q'}
if(~ $x(16) 55 && ~ $x(17) aa) 
	exit ''
exit nope