What is the handy way to record the pid of $some_process in this
fake code?
$some_process = 'tcpdump -v -ieth0 >file')
system("$some_process") or die "Can't start $some_process: $!";
print "Pid is $pid\n";
The process is started by a more elaborate perl script at bootup.
and restarted every four hours from syslog. Code above is way simplified.
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