[ILUG] A little grep mystery

[Padraig Brady]

Niall O Broin wrote:
> I have a box running the Communigate mail server and an extract from ps -ef
> on that box looks like
> 
> root       727   584  0 Apr11 ?        00:00:19 /usr/local/sbin/CommuniGate/CGServer
> root       728   584  0 Apr11 ?        00:00:00 /usr/local/sbin/CommuniGate/CGServer
> 
> yet when I do   ps -ef|grep CGServer  I get just this
> 
> 
> root      7429  7377  0 09:38 pts/7    00:00:00 grep CGServer
> 
> Any ideas ?
> 
> but in the interim (i.e. while writing this) I piped the output through cat
> and got
> 
> root       727   584  0 Apr11 ?        00:00:19 /usr/local/sbin/CommuniGate/CGSe
> root       728   584  0 Apr11 ?        00:00:00 /usr/local/sbin/CommuniGate/CGSe
> 
> and then I remembered this being discussed here recently - ps
> 'intelligently' cutting its output at column 80 if STDOUT is not a tty.

Hmm, it's a questionable thing to do anyway, but shouldn't the logic
be the other way around? I.E. chop @ 80 if stdout is a tty?

Padraig.