ref: adc4463f0ca6590f216aadb1e75390977fe1ec49
dir: /bin/ipatch/
#!/bin/rc
rfork e
fn usage {
>[2=1] echo $0 f1 f2
exit usage
}
while(~ $1 -* && ! ~ $1 --){
switch($1){
case *
usage
}
shift
}
if(~ $1 --)
shift
if(! ~ $#* 2)
usage
cp $1 $1.orig &&
idiff $1.orig $2 > $1