humm, which version of grep are you using, every instance I've tried
brings back the results I mentioned (only the first hit on a line has
the filename)?
version's I've used:
rh 9: 2.5.1
debian sarge: 2.5.1
cygwin: 2.5
-- Also, did you include the "o" after the H?
On Wed, 02 Mar 2005 18:41:37 -0500, Kwan Lowe <kwan@digitalhermit.com> wrote:
> Alex Harris wrote:
> > I am trying to search several hundred files for ip addresses.
> > These are text files with a bunch of words and the ip addresses are
> > interspered at random
> > Here are examples:
> > -----------file1-------------------
> > machine 1 is 10.30.41.6 and machine b is 192.168.3.6
> > machine c is 10.6.4.3 good to know machine 1 and b
> > ------------------------------------
> > -----------file2--------------------
> > machine 4 is 10.30.41.7 and machine b is 192.168.3.9
> > machine d is 10.6.4.3 and hates to know machine 1 and b
> > machine 5 is 10.30.41.3 and machine b is 192.168.3.0
> > --------------------------------------
> >
> > When I grep for the ip addresses the output is as follows:
> > file1:10.30.41.6
> > 192.168.3.6
> > file1:10.6.4.3
> > file2:10.30.41.7
> > 192.168.3.9
> > file2:10.6.4.3
> > file2: 10.30.41.3
> > Esentially grep will not put the filename in front of the second
> > occurance of an ip on a line.
> > I need a way to figure out how to have the filename be displayed on
> > the lines it's currently missing.
> >
> > In case it helps, the current grep command is:
> > egrep -Ho "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}" *
>
> Odd... My grep will preface each line with the filename when I give the
> -H option as you have. Running your command on some random text files
> gives the filenames also.
>
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