File - read from EOF

JB sundown at pacifier.com
Sat May 27 23:15:16 EDT 2017


Hi Mike,

That sounds really good!

thank you very much,
JB


> On May 27, 2017, at 7:50 PM, Mike Bonner via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> I think you need to do the following
> 
> First get the length in bytes of the file
> get the number of bytes in url ("binfile:" & yourfile)
> 
> I have a file that I just did this on and there are 289558088 bytes
> 
> Then you can either start reading at byte -whatever to -1 to grab the last
> part, adjusting the numbers for each read till you get done.
> 
> Or of course read bytes from whateverposition to 289558088 and adjust those
> numbers each loop.
> 
> Untried, and outside my specific areas of knowledge, but I think it should
> work fine.
> 
> 
> 
> On Sat, May 27, 2017 at 7:23 PM, JB via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> 
>> I want to read a file as binary of any
>> size but as crazy as it sounds I want
>> to read in sections form the EOF and
>> stop at the beginning of the file instead
>> reading from the start to EOF.
>> 
>> I have no problems opening, reading and
>> closing files or reading in sections.
>> 
>> Does anyone know the easiest way
>> to determine when I reach the start
>> of the file similar to using EOF to
>> stop reading at the end of the file?
>> 
>> JB
>> 
>> 
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