[plt-scheme] How to get tokenize a string?

that is simpler, indeed :)

On Sun, Nov 8, 2009 at 10:02, Jos Koot <jos.koot at telefonica.net> wrote:

> Why not using just read? For the first read you would find:
> (read port) --> 2.5500000e-002
> If your file contains numers only:
>
> ; read a file containing numbers and return the list of these numbers.
> (define (read-file-of-numbers port) ; unchecked code!
> (let ((item (read port)))
>  (if (eof-object item) '( )
>  (cons item (read-file-of-numbers port)))))
>
> In fact the above routine can be used for any file that contains a sequence
> of sexprs and would return a list of the sexprs.
>
> Jos
>
> ----- Original Message ----- From: <krhari at ccs.neu.edu>
> To: "plt-scheme" <plt-scheme at list.cs.brown.edu>
> Sent: Sunday, November 08, 2009 8:41 AM
> Subject: [plt-scheme] How to get tokenize a string?
>
>
>
>  Hi,
>> I have a file which contains data like this
>>
>>  2.5500000e-002  3.6238983e-002
>>  2.5500000e-002  3.6238638e-002
>>  2.5500000e-002  3.6237603e-002
>> ...
>>
>> I am working on a small animation I need these numbers to calculate some
>> things there... I am using 2htdp/universe teachpack...
>>
>> I actually found string->tokenize function in SRFI doc... Can I use it? If
>> yes can anyone guide me how to use SRFI? If no is there any other way out
>> other than converting the file into a string then using sting->list and
>> doing it in brute force way?
>>
>> If I use file->string, I get a string like this
>> "  2.5500000e-002  3.6238983e-002\r\n  2.5500000e-002  3.6238638e-002\r\n
>>  2.5500000e-002  3.6237603e-002\r\n"
>>
>> Please help me out...
>>
>> Thanks
>> Hari
>> _________________________________________________
>>  For list-related administrative tasks:
>>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>>
>>
>
> _________________________________________________
>  For list-related administrative tasks:
>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.racket-lang.org/users/archive/attachments/20091108/30e80bdd/attachment.html>