Re: strict grep when patterns are presented on standard input

From: Dana French (dfrench_at_mtxia.com)
Date: 07/29/04 

Date: 29 Jul 2004 07:06:44 -0700

ariel.burbaickij@gmail.com (Ariel Burbaickij) wrote in message news:<3058f9b4.0407281250.46f36a0c@posting.google.com>...
> ariel.burbaickij@gmail.com (Ariel Burbaickij) wrote in message news:<3058f9b4.0407280407.74335d3d@posting.google.com>...
> > Hello dear newsgroup participants,
> >
> > I have following problem:
> > I would like to greo for some let us say IP addresses
> > in /etc/hosts file. Grep is used in the pipe of commands
> > and it is not known ahead of time what IP addresses will
> > be presented to grep, so grep is used with -f - option.
> > In the file entries of both 192.168.111.11 and 192.168.111.112
> > are presented,only 192.168.111.11 is presented to the grep on
> > standard input but both are presented on the standard output
> > because they both contain the same string. Now my question:
> > Can strict option/quotes etc. be applied to the grep when it becomes
> > its arguments from standard input in the pipe (i.e. as standard output from
> > other command)? Clear, I can add just another sed command to the pipe
> > that will prepend and append quote sign but I so far it would be interesting
> > to understand whether it goes directly with grep or not
> >
> >
> > With Best Regards
> > Ariel Burbaickij
>
> Dum question, now I know it. -w option of grep will do it.

If my response sounded as though I thought it was a dumb question, I
apologize, that was not my intent. I really was asking for
clarification on what you were trying to achieve.

--------------------------------------------------------
Dana French dfrench@mtxia.com
Mt Xia Technical Consulting Group http://www.mtxia.com
100% Spam Free Email http://www.ridmail.com
MicroEmacs http://uemacs.tripod.com
Korn Shell Web http://dfrench.tripod.com/kshweb.html

Relevant Pages