Your bug report #32943: grep pattern < fifo fails on Cygwin (and MinGW), but not on Linux which was filed against the grep package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 32943@debbugs.gnu.org. -- 32943: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=32943 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems