How to read line in CLIPS?

I need to read a string in CLIPS so i'm usign (readline) but it 开发者_StackOverflow中文版doesn't seem to work. It doesn't let me enter anything and it just returns "". Any ideea what's the issue?

CLIPS> (readline)
""

I'm using latest version of http://clipsrules.sourceforge.net/

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This was just a bog on that version i was using. It seems that the bug was present only in the Windows version, that with a GUI. If you run it with the one frm command prompt it worked fine. I reported the bug on their google group, they confirmed and i think it is fixed by now.

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Check (readln)...

Good luck!