If I want to gather any error, warnings in /var/adm/messages.
How to use korn shell to do that?

As if I use "grep -i error /var/adm/messages" , then for "warning" , I
have to do "grep -i warning /var/adm/messages", that means I have to do
twice. How can I do it once to patten match two or more words?

Thanks

tim_batiees@hotmail.com wrote:
> If I want to gather any error, warnings in /var/adm/messages.
> How to use korn shell to do that?
>
> As if I use "grep -i error /var/adm/messages" , then for "warning" , I
> have to do "grep -i warning /var/adm/messages", that means I have to do
> twice. How can I do it once to patten match two or more words?

grep -iF 'warning
error' /var/adm/messages

Xicheng

On 2006-08-18, tim_batiees@hotmail.com wrote:
> If I want to gather any error, warnings in /var/adm/messages.
> How to use korn shell to do that?
>
> As if I use "grep -i error /var/adm/messages" , then for "warning" , I
> have to do "grep -i warning /var/adm/messages", that means I have to do
> twice. How can I do it once to patten match two or more words?

grep -i -e warning -e error /var/adm/messages

--
Chris F.A. Johnson, author <http://cfaj.freeshell.org>
Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
===== My code in this post, if any, assumes the POSIX locale
===== and is released under the GNU General Public Licence

tim_batiees@hotmail.com wrote:
> If I want to gather any error, warnings in /var/adm/messages.
> How to use korn shell to do that?
>
> As if I use "grep -i error /var/adm/messages" , then for "warning" , I
> have to do "grep -i warning /var/adm/messages", that means I have to do
> twice. How can I do it once to patten match two or more words?
>
> Thanks
>

egrep -i "error|warning" /var/adm/messages

Bill Seivert