system does not return the PID when used in your way, but you can simulate start by using system(1, ...):

my $pid = system(1, "cmd /c powershell gc -tail 10 -wait $logfile" );

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That way, you can kill it. See perlport on the form system(1, ...).

In reply to Re: Killing subprocess in windows by Corion
in thread Killing subprocess in windows by LanX

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