On Tue, Dec 27, 2011 at 08:57:55PM +0800, lina wrote: > Hi, > > I have two questions, wish to get advice, > > Question 1: > > For a series of files: > > cat a_*.o* | grep "WARNING" > > some file like a_1.o12 has WARNING, but others does not have WARNING > > How can I let grep returns the filename?
try "grep -H" in order to get the filename. -- Wilko Fokken Education is a man's going Landschaftspolder 67 from cocksure ignorance D-26831 Bunde to thoughtful uncertainty. -------------------- Tel. 04953-9219882 -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20120104112626.gb8...@fok01.laje.edewe.de