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  1. or download this
    Perl> $pid = open CMD, '-|', q[perl.exe -le"$SIG{TERM}=sub{print 'here
    +' }; $|++; print ++$i while sleep 1"] or die $!;;
    
    ...
    
    Perl> kill 15, $pid;;
    Terminating on signal SIGBREAK(21)