Re: Is there a way to append spool files?
- From: "Andrew Kerber" <andrew.kerber@xxxxxxxxx>
- To: Kurt-Franke@xxxxxx
- Date: Fri, 28 Nov 2008 09:37:01 -0600
You could also (in unix) instead of the pipe, just use the output
redirection with the append (>>) instead of creating a new file each time
and using cat.
On Fri, Nov 28, 2008 at 9:00 AM, Kurt Franke <Kurt-Franke@xxxxxx> wrote:
>
> I'm using the following short script since 10 years ago on Unix.
>
> The named pipe is removed automatically when a "spool off" is issued.
>
> The script assumes an existing define vaiable __PID which is filled
> with the os pid of the sqlplus process itself (not the server process)
> during startup of sqlplus in my environment.
> It is just used to get unique filename for the named pipe and may be
> substituted by any other mechanism to get such a unique name.
>
> kf
>
> ===============================
>
> --
> -- spool-append.sql -
> --
> -- appends spooling output from SQL*Plus
> -- to an already existing file; if it doesn't
> -- exist it is created
> -- via shell escape first a fifo is created,
> -- then a process is started in the backgroud
> -- reading from this fifo and appending to
> -- the file given as parameter
> -- when 'spool off' is entered from SQL*Plus
> -- the fifo is closed and the reading process
> -- gets an EOF and finishes; after finishing
> -- the trap handler removes the fifo
> --
>
> define file = &1
>
> define bg = '&'
>
> define fifo = 'spool-append.fifo.&__PID'
>
> -- create the fifo synchronous to avoid problems
> !rm -f &fifo ; umask 077 ; mkfifo &fifo
>
> -- start an appending copy asynchronous
> !(trap "rm -f &fifo" 0 1 2 3 13 14 15; cat &fifo >> &file) &bg
>
> spool &fifo
>
> undefine fifo
> undefine bg
> undefine file
>
> ===============================
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: "Pete Finnigan" <pete@xxxxxxxxxxxxxxxx>
> > Gesendet: 28.11.08 11:49:40
> > An: nigel.cl.thomas@xxxxxxxxxxxxxx
> > CC: ORACLE-L <oracle-l@xxxxxxxxxxxxx>
> > Betreff: Re: Is there a way to append spool files?
>
>
> > Thanks everyone,
> >
> > so from 10gR2 we can use "append" for earlier, 9iR2 or 10gR1 we would
> > have to use a pipe or use copy/cat as I first thought. The guy who asked
> > me the question is on 9iR2, so whilst the append sounds great, its not
> > going to work for him (yet).
> >
> > cheers
> >
> > Pete
> >
> > Nigel Thomas wrote:
> > > If you for any reason you need to do this on an earlier version - and
> you're
> > > running a *nix, you can always set up a pipe.
> > >
> > > I don't have a handy server to test on (Windows environment on current
> > > site), but its something like:
> > >
> > > mknod p mypipe
> > > cat mypipe >mylogfile &
> > >
> > > sqlplus u/p
> > >
> > > spool mypipe
> > > logged stuff
> > > spool off
> > > non-logged stuff
> > > spool mypipe
> > > more logged stuff
> > > spool off
> > >
> > > exit
> > >
> > > The pipeline will stay open - but you can kill the cat once you are
> done.
> > > (No, it's a piece of software in the background, not a cuddly furry
> animal).
> > >
> > > Regards Nigel
> > >
> >
> > --
> >
> > Pete Finnigan
> > Director
> > PeteFinnigan.com Limited
> >
> ... deleted ...
>
>
> --
> //www.freelists.org/webpage/oracle-l
>
>
>
--
Andrew W. Kerber
'If at first you dont succeed, dont take up skydiving.'
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