>
> What will happen when the format string is a runtime value? printf
> will translate the format string to some codes which actually format
> the arguments when the it is a literal and fallback to runtime
> analytic when it is unknown(e.g. command line argument) before run,
> right?
>
This is also supported in the "vprintf" and "vsprintf" words that use a
format string that is specified at run-time. It is not as efficient
(although I haven't tested how much slower it is), but allows more
flexibility when you need it.
Best,
John.
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