shithub: bin.rc

ref: c57c8ab75d68d973e7b032792c6b729efcc13a93
dir: /bin/ipatch/

View raw version 
#!/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