Re: [Chicken-users] Using Format

[Kon Lovett]

On Dec 5, 2007, at 2:50 PM, Peter Wright wrote:

> On 05/12 17:00:20, William Ramsay wrote:
> > Is there an easy way to format a number with a possible leading zero
> > using format or sprintf?
> >
> > In other words I want 9 to show us as 09 and 10 to show is as is.
>
> I don't think you can do it with the default format/sprintf, but with
> the format egg you can:

Also look at the 'format-modular' egg. A very different  
implementation of CL 'format' that is thread-safe.

> #;1> (use format)
> ; loading /usr/local/lib/chicken/3/format.so ...
> #;2> (format #t "~2,'0D~%" 9)
> 09
> #t
> #;3> (format #t "~2,'0D~%" 10)
> 10
> #t
>
> > Bill
>
> There's an example here (search for "zero"):
>
> http://www.lisp.org/HyperSpec/Body/sec_22-3.html
>
> Pete.
> --
> C makes it easy for you to shoot yourself in the foot. C++ makes that
> harder, but when you do, it blows away your whole leg.
>                 -- Bjarne Stroustrup
>
>
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Best Wishes,
Kon