LispForum

Posted: **Thu Mar 17, 2016 6:15 am**

Hi, everyone,

as I'm currently writing a long(ish) command-line tool in SBCL, I noticed that all output is queued until the script finishes or signals an unhandled condition. I'd prefer to see some "progress" though. Is there a way to force immediate output of (print)s and (format)s?

Posted: **Thu Mar 17, 2016 6:49 am**

There are functions for a buffer manipulation, force-output is probably what are you looking for.

Posted: **Thu Mar 17, 2016 7:34 am**

Looks exactly like what I want, thanks!

But I'm not quite sure about the difference between force-output and finish-output yet. Am I right that finish-output resets the buffer while force-output does not?

Posted: **Fri Mar 18, 2016 12:29 am**

finish-output is a blocking call and force-output is a non-blocking call.

Posted: **Fri Mar 18, 2016 1:11 am**

Ah, thanks.

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Re: Immediate output instead of waiting for the script to fi