ref: 9bd6366c2795decf34b2367ecf8e492d3a399835
dir: /path/
#!/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 }