Duplex communication with pipes - is possible ?

[alisonken1]

<snip
>
> readlines () will try to read until the stream/socket is closed. Try to
> read only one line. This of course means that you cannot sent \n as part
> of the data, you have to escape them somehow.
>
<snip>

If I remember correctly, if you want to pass '\n' so readline won't
stop, you should be able to escape the escape '\\n', then remove the
extra '\' when actually processing.

Of course, readline will continue to read until buffer filled or a real
'\n' is passed (g).