small comment: there is no "&" in front of WNOHANG. 
sub reaper
{
   my $kid;
   while ( ( $kid = waitpid(-1, WNOHANG) >0 ) ){};
}

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In reply to Re^2: Using IO::CaptureOutput in a child process to caputre STDOUT and STDERR by Marshall
in thread Using IO::CaptureOutput in a child process to caputre STDOUT and STDERR by clintonm9

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