Kill it in an END block: 

$tail_id = open(GET_INFO, "tail -1lf info_file 2>/dev/null|") 
    || die "Can't check info_file: $!\n";
END{ 
   kill 3, $tail_id;
}

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."

In reply to Re: Getting a Perl program to close a command it starts when the perl program exits? by BrowserUk
in thread Getting a Perl program to close a command it starts when the perl program exits? by buzzthebuzzsaw

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