[CentOS] OT: grep regex pointer appreciated

[Patrick Lists]

On 03/07/2011 12:23 PM, Robert Grasso wrote:
> Hello,
>
> On my opinion, grep is not powerful enough in order to achieve what you want. It would be preferable to use at least some (old but
> powerful) tools such sed, awk, or even better : perl. Actually, what you need is a tool providing a capture buffer (this is perl
> jargon - "back references" in sed jargon) in which you can get the string you want to extract, rather than trying to build up a
> positive matching regex, as the string boundaries seem to be easy enough to describe with regexs.

Thank you for your advice. After much fiddling I came up with something 
that seems to work. I have never dabbled with perl but will dig up my 
sed/awk book and see if there's a more elegant way to do this.

Regards,
Patrick