[CentOS] [OT] Grep Patterns
Les Mikesell
lesmikesell at gmail.com
Thu Apr 8 01:12:37 UTC 2010
Joseph L. Casale wrote:
>> Yes whitespace always.
>
> [root at dev ~]# echo " CP_" | egrep -e "\ CP_"
> CP_
> [root at dev ~]# echo "CPLAT::CP_" | egrep -e "\ CP_"
> [root at dev ~]#
>
>> So what I am doing is a massive replace. So this grep will allow me to see how many instances still need to be replaced.
>>
>> I am replacing CP_ with CPLAT::CP_ and when i execute the grep I want to ignore CPLAT:CP_ so I just see the CP_ that still need to be done.
>
> Typo in that? You want to ignore " CPLAT::CP_" right? Depends on what
> tool you use and what std it follows, I don't even think you need to
> escape the "space".
White space could be a tab. '[[:space:]]CP_' should work, but why not use sed
and be done with it.
--
Les Mikesell
lesmikesell at gmail.com
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