ref: d97775a8f5f5cefdfbaea09c3ab56d2263138768
dir: /path/
#!/bin/rc # x/path -- extract datums from the path rfork e if(! ~ $$#* -*) wd=$$#* if not wd=`{pwd} if(! ~ $wd /x/*) exit notinx for(arg){ switch($arg){ case -P echo $wd | sed 's,/x/[^/]+(.*),\1,' case -p echo $wd | sed 's,/x/[^/]+/(.*),\1,' case -r echo $wd | sed 's,(/x/[^/]+).*,\1,' case -l echo $wd | awk -F/ '{print $3}' } shift }