You might be interested in my post Lower-Level Serial Port Access on *NIX where I showed several examples using IO::Termios, as well as this module that I wrote that uses IO::Select, which you can use for timeouts and non-blocking reads (not published on CPAN because I haven't done enough testing IMO, but it seems to work so far): SerialPort.pm

In reply to Re: problem with simple STDIN to UART script by haukex
in thread problem with simple STDIN to UART script by CSTJr

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