Re: [Sbcl-devel] sbcl-mt: princ does not strings well

[Christophe R. <cs...@ca...>]

Liam Healy <ln...@he...> writes:

> Strings get garbled up in princ:
>
> Looks like maybe the last (or only) line doesn't get flushed until
> the next princ, or until you quit sbcl?

Right.  The reason you see garbling is that you're effectively
printing to two different streams here: T as a stream designator means
*terminal-io*, which is buffered; the repl prints return values to
*standard-output*, which is also buffered; to you they look the same,
though, because they're both going to your terminal.

If you need to ensure that all output is flushed at any point on a
given stream, use the Common Lisp functions FORCE-OUTPUT or
FINISH-OUTPUT.

Cheers,

Christophe
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