shithub: x

ref: 3ac6e2fd1eebb648b80ee77723815d88d84476da
dir: x/path

View raw version 
#!/bin/rc
# x/path -- extract datums from the path
rfork e
if(! ~ $$#* -*)
	wd=$$#*
if not
	wd=`{pwd}
for(arg){
	switch($arg){
	case -P
		echo $wd | sed 's,/[^/]+/[^/]+(.*),\1,'
	case -p
		echo $wd | sed 's,/[^/]+/[^/]+/(.*),\1,'
	case -r
		echo $wd | sed 's,(/[^/]+/[^/]+).*,\1,'
	case -l
		echo $wd | awk -F/ '{if($3) print $3; else print $0}'
	}
	shift
}