plan9fox/rc/bin/chdev
2022-05-31 19:30:23 +00:00

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#!/bin/rc
rfork e
fn usage {
echo 'usage:' $0 '[ -nr ] devmask' >[1=2]
exit usage
}
op='&'
while(~ $1 -*){
switch($1){
case -n; op='~'
case -r; op='&~'
case *; usage
}
shift
}
echo chdev $op $1 >> '#c/drivers'