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#!/bin/rc
rfork e
# 0000000 eb 3c 90 P l a n 9 . 0 0 00 02 04 02 00
# 0000010 02 00 02 02 P f8 14 00 ? 00 ff 00 ~ 04 } 00
# 0000020 02 P 00 00 80 00 ) a8 04 } 00 C Y L I N
# 0000030 D R I C A L F A T 1 6 fa 8c
if(! ~ $#* 1) {
echo 'usage: isfat /dev/sdC0/part' >[1=2]
exit usage
}
arg=$1
fn fat {
cmp -s <{dd -if $arg -bs 1 -count 3 -skip $1 >[2]/dev/null} <{echo -n FAT}
}
fat 54 || fat 82
exit $status
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