close($fh);
    close($logfile);
    exit; # exit child process
  } 
  waitpid($pid,0); 
}

print "Parent Process";
close($fh); # Close file handler $fh
close($logfile); # Close file handler $logfile    
rename ($filename, $newfilename) or die "Error in renaming $!"; # Rename the temporary to avoid node exporter seeing half a file.
alarm(0);