Am Dienstag, 29. Juli 2003 15:58 schrieb Jason Dixon:
> On Tue, 2003-07-29 at 10:07, Reuben D. Budiardja wrote:
> > Hello,
> > What command would I use to print just the first column of a file? For
> > example, the httpd (apache) access_log. The first column contains the IP
> > address. How can I just output that, so that I can then pass it to "uniq"
> > to get the uniques IP addresses that requested a page from my server?
> > Like:
> >
> > $> <command> | uniq
> >
> > Does this use something like 'sed' or 'gawk'? I need to learn how to use
> > those anyways :)
>
> Yes.
>
> $ cat /var/log/httpd/access_log | awk '{print $1}' | sort | uniq
..useless use of cat:
awk '{print $1}' /var/log/httpd/access_log | sort | uniq
is enough.
Christian Paul
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