Depends on what the lines actually look like, check man/info pages but you could
Try cut -f1 filename | sort | uniq you need to sort it first prior to UNIQ. > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Barry Johnson > Sent: Wednesday, July 30, 2003 2:31 PM > To: [EMAIL PROTECTED] > Subject: RE: Print the first column of a file > > > Awk is something that you could you > > More $filename|awk '{print $1}'|uniq will sort through the file and > print the first column > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > On Behalf Of Mark Neidorff > Sent: Wednesday, July 30, 2003 9:48 AM > To: [EMAIL PROTECTED] > Subject: Re: Print the first column of a file > > > On Tue, 29 Jul 2003, 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 :) > > > > Thanks for any help. > > RDB > > > > Take a look at the 'cut' command. > > Mark > > > -- > redhat-list mailing list > unsubscribe mailto:[EMAIL PROTECTED] > https://www.redhat.com/mailman/listinfo/redhat-list > > > -- > redhat-list mailing list > unsubscribe mailto:[EMAIL PROTECTED] > https://www.redhat.com/mailman/listinfo/redhat-list > -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://www.redhat.com/mailman/listinfo/redhat-list