You may be helped by a simple killall tcpdump, if yours is the only tcpdump running on the machine.

Otherwise, you may need to write a little wrapper program around the tcpdump command to fork and 1) In the parent get the pid (it's the return value from fork) and store it somewhere; 2) In the child exec() the tcpdump.

HTH, M4

In reply to Re: How to get the process Id by M4
in thread How to get the process Id by vasuperl

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