[CentOS] Extract lines from text file

[m.roth at 5-cent.us]

Tilman Schmidt wrote:
> Am 15.08.2012 16:36, schrieb Marcelo Beckmann:
>> Em 15-08-2012 11:22, Tony Molloy escreveu:
> [...]
>>> cat passwdfile | grep ^m | grep 850 > output
> [...]
>> ]$ cat testcentoslist | egrep ^m.*:.*:.*:850:
>
> http://en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat
>
> Because a cat is a terrible thing to waste.
>
And why would you want to disturb our Lords & Masters? I mean, why are
*we* here?

      mark

--
The truth is out, we know at last:
  Dogs have masters, cats have staff.