Hello!
On Tue, 11 Sep 2007 17:18:56 +0200, Evgeni Golov wrote:
> On Tue, 11 Sep 2007 09:55:00 -0500 Manoj Srivastava wrote:
>
>> Umm. I am in X, right now.
>> __> who | awk '{print $2}'|grep -q '^:[0-9]'
>> __>
>>
>> Do I need to be root?
>> __> sudo who | awk '{print $2}'|grep -q '^:[0-9]'
>> __>
>
> Did you check the exit-code of grep? -q is kinda quiet, you know ;)
Nothing changed:
=====
[EMAIL PROTECTED]:~$ who
luca pts/1 Sep 12 01:58 (:0:S.0)
luca pts/2 Sep 12 02:03 (:0:S.1)
[EMAIL PROTECTED]:~$ who | awk '{print $2}'|grep -q '^:[0-9]'
[EMAIL PROTECTED]:~$
[EMAIL PROTECTED]:~$ who | awk '{print $2}'|grep '^:[0-9]'
[EMAIL PROTECTED]:~$
=====
My X session is started from xdm which launch SBCL [1] from a shell
script to start StumpWM [2].
>> So, this does not seem to work in all cases.
>
> However, THAT is right and was already corrected, the ^ is
> unnecessary.
Again, nothing changed:
=====
[EMAIL PROTECTED]:~$ who | awk '{print $2}'|grep ':[0-9]'
[EMAIL PROTECTED]:~$
=====
But without the awk part works:
=====
[EMAIL PROTECTED]:~$ who | grep ':[0-9]'
luca pts/1 Sep 12 01:58 (:0:S.0)
luca pts/2 Sep 12 02:03 (:0:S.1)
[EMAIL PROTECTED]:~$
=====
I don't know the internals of who, so just my 0.02€ :-)
Thx, bye,
Gismo / Luca
Footnotes:
[1] http://packages.debian.org/sid/sbcl
[2] http://packages.debian.org/sid/stumpwm
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