[Coco] variable sized GETlike operation in basic 09?

[Christopher Hawks]

L. Curtis Boyle said the following on 01/05/2010 07:23 PM:

> Best is to use the I$Read or I$ReadLn SYSCALL functions... Just set the 

> Y register to the # of bytes you want to read for each call. You can 

> vary it for every read, if you want.


	And I$GetStat for SS.READY  SYSCALL will tell you how many bytes are available...


> On Jan 5, 2010, at 6:17 PM, Aaron Wolfe <aawolfe at gmail.com> wrote:

> 

>> Does anyone know if its possible to do a GET for changing amounts of

>> data? Or another fast way to read changing sized 'records'?  GETting

>> one byte at a time is very slow compared to getting several in the

>> HTTPD program.  Right now I GET a 32 byte array at a time out of files

>> and just try to make sure files are sized a multiple of 32, but thats

>> no good.  I also pad out all the headers coming in from the client to

>> a standard length so GET can work there, also not great.

>>

>> I think I could use SYSCALL and I$Read, but this seems wasteful, maybe

>> not?  Maybe I'm missing something in B09?  It seems GET only reads the

>> size of the variable(s) specified, and you cannot reDIM or change the

>> size of the variables in any way.

>>

>> Thanks for any clues

>> -Aaron

>>

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> 

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> 



-- 
Christopher R. Hawks
HAWKSoft
---------------------------------------------------------
The obvious mathematical breakthrough [to break modern encryption] would
be development of an easy way to factor large prime numbers.
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