Re: which is the best command to use

[Wilko Fokken <wfokken@web.de>]

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