RE: Unix Q: Substring-ing an output. (CLOSED)

Yes this works too. I think the trick is in deriving the last field in this case it was the $NF all along.

Thanks to all who replied and those who attempted to.

Ross

> -----Original Message-----
> From: Sujatha Madan [mailto:Sujatha.Madan_at_CMC.OPTUS.NET.AU]
> Sent: Monday, 28 October 2002 14:38
> To: Multiple recipients of list ORACLE-L
> Subject: RE: Unix Q: Substring-ing an output.
>
>
> Hi Ross,
>
> Try something like this:
>
> DBNAME=`ps -ef | grep pmon | awk '{db=substr($NF, 10); print db}'`
>
> There are several ways of doing this - what's above is just one.
>
> Cheers
> Sujatha
>
> -----Original Message-----
> Sent: Monday, 28 October 2002 12:43 PM
> To: Multiple recipients of list ORACLE-L
>
>
>
> Hi All,
>
> I want to feed my shell script with the names of currently running
> databases. I thought of using ps -ef|grep [p]mon. What I got was the
> following:
> oracle 20113 1 0 Oct 25 ? 0:01 ora_pmon_TLDEV
> oracle 898 1 0 Jul 22 ? 0:06 ora_pmon_TLQA
> oracle 944 1 0 Jul 22 ? 0:07 ora_pmon_TLQAVAR
> oracle 19588 1 0 Oct 25 ? 0:00 ora_pmon_DBMON
> oracle 13509 1 0 12:16:13 ? 0:00 ora_pmon_RMAN
> oracle 20450 1 0 Oct 25 ? 0:00 ora_pmon_PRDINF
> oracle 13026 1 0 Oct 26 ? 0:00 ora_pmon_TLDVVAR
>
> What I wanted is get only the db name part eg. TLDEV, RMAN,
> DBMON,etc. I
> don't want to rely on oratab file.
> I was thinking of using 'cut' to cut out the last field and
> do some ${X##}
> (variable pattern substitution) to get to the dbname bit.
> The trouble is
> the number of fields in a ps -ef output is not consistent.
> As you can see
> I've just restarted RMAN and now it only has 8 fields as
> compared to 9 for
> the others.
>
> Any suggestions? Or another way of doing it?
> Using KSH on Solaris 8.
>
> Thanks.
> Ross
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Ross Collado
> INET: Ross.Collado_at_techpac.com
>
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> --
> Author: Sujatha Madan
> INET: Sujatha.Madan_at_cmc.optus.net.au
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Ross Collado
  INET: Ross.Collado_at_techpac.com

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