Your bug report #17145: head fails with implicit stdin on darwin which was filed against the coreutils package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 17145@debbugs.gnu.org. -- 17145: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17145 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems