Re^4: Unusual error in Win32::SerialPort (Missing REQUIRED setting for BAUD) (guess)

Thank you. But it does not work. Nor work similar other tricks like:

$Serial->baudrate(int($baud_rate))
$Serial->baudrate("$baud_rate")
$Serial->baudrate(eval{$baud_rate})
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The following seems to work (in the sense that it does not produces an error message), but the serial stream does not have the baudrate it is supposed to have

$Serial->{"_L_BAUD"}{$baud_rate} = $baud_rate;
$Serial->baudrate($baud_rate);
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I don't know what it may be

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Re^5: Unusual error in Win32::SerialPort (Missing REQUIRED setting for BAUD) (guess) by Anonymous Monk on Aug 29, 2013 at 18:32 UTC
It was my fault. The code was in a subroutine where $baud_rate was passed by reference and used as if it were passed by value. After correcting the mistake the following construct worked perfectly: `$Serial->{"_L_BAUD"}{$baud_rate} = $baud_rate; $Serial->baudrate($baud_rate);` [download]	[reply] [d/l]