> Date: Sat, 11 Aug 2001 13:56:02 -0400
> From: Rocco Caputo <[EMAIL PROTECTED]>
>
> On Fri, Aug 10, 2001 at 02:13:07PM -0700, Michael Blakeley wrote:
> > I have a couple questions about Wheel::ReadLine - probably either very
> > simple, but I can't seem to find the answers in the docs.
> >
> > First, is there a way to refresh the ReadLine prompt whenever put() is
> > called? For example, if my little HTTP client finishes downloading a page,
> > it puts a list of links to the ReadLine wheel. I have a ReadLine::get()
> > posted - can I make its prompt re-appear under the HTTP output? Simply
> > calling get() again doesn't seem to do it.
>
> It should do this automatically. If it's not, please e-mail me a
> testcase or patch.
How about a FAQ entry instead? I'm sure this is obvious to everyone
else, but I'm still learning the POE Way.
Q: Why do I lose the ReadLine prompt every time I send output to the screen?
A: Make sure you always use put(), and never use print or printf.
> > Second, ReadLine appears to insist on using \r\n (newline and carriage
> > return). This isn't too difficult to arrange most of the time, but it
> > makes the output from various modules pretty ugly. I could split and join
> > most of the time (doesn't help with warn from inside other modules,
> though).
> > Is there some other approach I should be using? Either changing the
> > ReadLine behavior, or maybe changing Perl's behavior?
>
> ReadLine puts the console into raw mode and implements its editing
> functions internally. A side effect of the raw console mode seems to
> be the need to send newlines as "\x0d\x0a" instead of just "\n".
> Although "\n" might work ok on DOSISH systems where it expands to
> "\x0d\x0a" internally.
>
> You probably can tie STDOUT and STDERR to something that fixes the
> newlines and put()'s the text through the console wheel rather than
> displaying it directly. That could rock, actually. Regular print,
> warn, and die calls would do the right thing.
Not a bad idea - but for the moment I'll just convert all my prints
to put(), and use the comma.
thanks,
-- Mike
