Why bother with all that anyway! ... Just use $NF. I still like my way the
best (not tooting my own trumpet or anything ;)). For those of you who
missed it:
ps -ef | grep pmon | awk '{db=substr($NF, 10); print db}'
Cheers
Sujatha
-----Original Message-----
Sent: Tuesday, 29 October 2002 10:59 AM
To: Multiple recipients of list ORACLE-L
I could be mistaken, but isn't all this discussion about the "awk '{ print
$8 }'" problem unwarranted...
The very next portion of the command is an awk using a field seperator of
underscore. It doesn't care if it receives the entire line from ps. Just
remove that component and the problem is fixed. From what I can tell:
ps -ef | grep smon | grep -v grep | awk -F_ '{ print $3 }'
Is one way of many to get your result.
Ross Collado
<Ross.Collado@te To: Multiple recipients of
list ORACLE-L <[EMAIL PROTECTED]>
chpac.com> cc:
Sent by: Subject: RE: Unix Q:
Substring-ing an output.
[EMAIL PROTECTED]
29/10/2002 10:24
Please respond
to ORACLE-L
Very clever! But unfortunately, -F accepts only 1 character. I tried that
though...
Ross
> -----Original Message-----
> From: Henry Poras [mailto:hporas@;etal.URI.EDU]
> Sent: Tuesday, 29 October 2002 3:43
> To: Multiple recipients of list ORACLE-L
> Subject: RE: Unix Q: Substring-ing an output.
>
>
> Quick thought. What about just setting awk -F_ to awk -Fpmon_ ???
>
> Henry
>
> -----Original Message-----
> Bobak
> Sent: Sunday, October 27, 2002 11:49 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Hmm...good point. You know, I use this technique in various
> places. I
> never noticed that bug before, cause it will only appear if
> the database
> has been up less than 1 day. Guess it's time to do a bit of script
> auditing.
>
> Ok, try this instead:
> ps -ef|grep pmon|grep -v grep|cut -c49- |awk -F_ '{ 'print $3 }'
>
> I replaced the first awk w/ cut. the -c option says to cut
> that output
> from position 49 to the end of the line. You may have to adjust the
> value from 49 to something else.
>
> That ought to work for you.
>
> -Mark
> On Sun, 2002-10-27 at 22:53, Ross Collado wrote:
> > Thanks Mark.
> >
> > Yes that helps, in a way. I could use good ol' awk to parse the last
> field!
> > However, a slight problem in the ps -ef output. If I do
> what you have
> > suggested on my 'ps -ef' output below, I would only get
> RMAN as it is the
> > only one in field #8. All the rest are in field #9. All I
> need now is
> > figure out how to cut the last field then pipe it to your
> awk command.
> > Ok I'm getting somewhere!
> >
> > Rgds,
> > Ross
> >
> >
> >
> > > -----Original Message-----
> > > From: Mark J. Bobak [mailto:mark@;bobak.net]
> > > Sent: Monday, 28 October 2002 13:54
> > > To: Multiple recipients of list ORACLE-L
> > > Subject: Re: Unix Q: Substring-ing an output.
> > >
> > >
> > > As is often the case, there are a million ways to do
> this. Given the
> > > output listed, I'd do something like:
> > >
> > > ps -ef|grep pmon|grep -v grep|awk '{ print $8 }'|awk -F_ '{
> > > print $3 }'
> > >
> > > ps -ef -- get the programs that are running
> > > grep pmon -- get only those lines that have 'pmon' in them
> > > grep -v grep -- drop out the line that has 'grep pmon'
> > > awk '{ print $8 }' -- get the eighth column, the program name
> > > awk -F_ '{ print $3 }' -- parse the program name on the
> '_' and return
> > > the third field, the database name.
> > >
> > > Hope that helps,
> > >
> > > -Mark
> > >
> > > On Sun, 2002-10-27 at 20:43, Ross Collado wrote:
> > > >
> > > > 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
> > > --
> > > --
> > > Mark J. Bobak
> > > Oracle DBA
> > > [EMAIL PROTECTED]
> > > "It is not enough to have a good mind. The main thing is
> to use it
> > > well."
> > > -- Rene
Descartes
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > > --
> > > Author: Mark J. Bobak
> > > INET: [EMAIL PROTECTED]
> > >
> > > Fat City Network Services -- 858-538-5051
http://www.fatcity.com
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--
--
Mark J. Bobak
Oracle DBA
[EMAIL PROTECTED]
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well."
-- Rene
Descartes
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