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Old 07-21-2010, 12:58 PM   #1
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Registered: Sep 2006
Distribution: RehHat, Fedora Core
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count multiple objects in shell script

Hi all:

Trying to count the number of oracle instances on HPUX 11.23 - using ksh. I have multiple instances running and I would like to have a count for how many processes for each instance. Example, run the 'ps -efu oracle' command and for each instance increment a counter. So I am looking for
INT1=# INT2=# INT3=# ... INTn=#

I keep thinking a 'do-while' or some type of 'while' loop but I am missing something, somewhere...

Many thanks!
Old 07-22-2010, 08:56 AM   #2
Registered: Jul 2002
Location: Florida
Distribution: Centos, Slackware
Posts: 260

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Do you have pstree?

Here's an example:

$ pstree | grep mingetty

This shows that there are 6 instances of mingetty running on my system.


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