I'm a bit confused. In the post I responded to you, you say applications often read the password directly from the terminal - and that you need 'expect' for it.

And if I respond that on Linux, one doesn't need 'expect' to read from the terminal, you argue that the OP also wants to supply data. Why did you bring up the issue of reading from the terminal then?

As for reading/writing to the same device, I never talked about writing to /dev/tty. All I said was reading. Which is as simple as:

    open my $tty, "<", "/dev/tty" or die;
    while (<$tty>) {
        chomp;
        print "Read '$_' from the terminal\n";
    }
[download]

since that isn't any harder than reading from a file, I would recommend that over learning expect.

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