Plan 9 from Bell Labs’s /usr/web/sources/patch/applied/ape-lib-mkfile/mkfile.orig
</$objtype/mkfile DIRS=9 ap bsd draw fmt l net regexp utf v none:V: echo mk all, install, installall, clean, or nuke all clean nuke install installall:V: for (i in $DIRS) @{ cd $i mk $target }