[SunHELP] Getting PIDs

[Foong, Tzeweng]

Hello,

Try the  -n option
it should get you the last one.

For some other order try using the sort command.
eg
  pgrep java | sort -n | tail -1

HTH
Tze Weng Foong

-----Original Message-----
From: Ben Ricker [mailto:bricker at wellinx.com]
Sent: Wednesday, 14 November 2001 7:03 AM
To: Sun Help List
Subject: [SunHELP] Getting PIDs


I have a problem. I administer a Web app that is run through a JVM on
Solaris. We are moving to a failover mod where there will be multiple
JVMs running on one machine. The problem I am having is loggin the PIDs
of the processes. Before, I would start the JVM, sleep for 5 seconds,
the pgrep for 'java' and write the returned PID to a file. Now that
there are two JVMs, both PIDs are being written to the file! I tried
separating them out but no joy.

I am able to get the first JVMs PID written to a file. It is when I exec
the second JVM that I get both PIDs written because there are two JVMs
running. I thought I could do some sort of compare of the two PIDs
returned to the file and only write the sequentially later PID, but I am
uncertain how to do that. Any direction would be most appreciated.

Ben Ricker
System Administrator
Wellinx.com



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