The module makes no attempt at portability. It opens dev/tty unconditionally. You can get the prompt to display by changing the first few lines of sub prompt, but after that you are in a world of hurt. 

    open $OUT, ($^O eq 'MSWin32' ) ? '>CON' : ">/dev/tty"
        or croak "Cannot write to terminal: $!" if !$OUT;
    $OUT->autoflush(1);
    @prompt = $flags{ -prompt } if !@prompt and $flags{ -prompt };
    my $IN;
    if ($flags{-tty} || $flags{-argv}) {
        open $IN, ($^O eq 'MSWin32' ) ? '<CON' : ">/dev/tty"
            or croak "Cannot read from terminal: $!";
    }

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In reply to Re^3: IO::Prompt - Cannot write to terminal by BrowserUk
in thread IO::Prompt - Cannot write to terminal by wind

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