TuskenTower on 22 Jan 2009 13:09:41 -0800


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Re: [PLUG] What is my current shell?


Eric,
Walt's presentation on one-liners was sweet.  The line you sent me
choke on Slowaris. :(

Amul

On Thu, Jan 22, 2009 at 4:05 PM, Eric <eric@lucii.org> wrote:
> Try this:
>
> ps a | grep "^ *$$" | grep -v grep | awk '{print $5}'
>
> It reported bash, sh and ksh just fine but reported tcsh as -csh for
> some strange reason.
> Still, it's better than $SHELL in all but one case.
>
>
> Walt inspired me to try a perl one-liner... but my first attempts have
> failed.  Still trying :-)
>
> HTH
>
> Eric
>
>
> TuskenTower wrote:
>> All,
>> We have an oddball problem.  Is there any portable way to determine
>> what shell you are using once you are inside a script?
>>
>> Right now, we are thinking of using
>> which `echo $0`
>>
>> As you can see here, $SHELL does not change when you switch shells.
>> [2:07pm] [shaha:pts/8] [shaha] : /gtc/staff/shaha/work/sortT > echo $SHELL
>> /usr/local/bin/tcsh
>> [2:08pm] [shaha:pts/8] [shaha] : /gtc/staff/shaha/work/sortT > bash
>> shaha@shaha:~/work/sortT$  echo $SHELL
>> /usr/local/bin/tcsh
>>
>> This is for problems at customer sites where they are using the wrong
>> Bourne shell on Solaris (/bin/sh) when we want them to use
>> /usr/xpg4/bin/sh.
>>
>> thanks,
>> Amul
>> ___________________________________________________________________________
>> Philadelphia Linux Users Group         --        http://www.phillylinux.org
>> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
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>>
>>
>
> --
> #  Eric Lucas
> #
> #                "Oh, I have slipped the surly bond of earth
> #                 And danced the skies on laughter-silvered wings...
> #                                        -- John Gillespie Magee Jr
>
> ___________________________________________________________________________
> Philadelphia Linux Users Group         --        http://www.phillylinux.org
> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
> General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug
>
___________________________________________________________________________
Philadelphia Linux Users Group         --        http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug