[racket-dev] random-access file reading

I think you want file-position

http://docs.racket-lang.org/reference/port-buffers.html#(def._((quote._~23~25kernel)._file-position))

Jay

On Tue, Sep 28, 2010 at 3:15 PM, John Clements
<clements at brinckerhoff.org> wrote:
> I want to read a chunk from the middle of a 50-megabyte file.  As far as I can see, there are no random-access file primitives currently in DrRacket.  Also, I don't see a "skip-bytes", so it looks like I should be allocating a junk buffer and then repeatedly calling read-bytes to read the skipped portion into the junk buffer.
>
> Tell me if there's a simpler way to do this; doc pointers always appreciated.
>
> John
>
>
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-- 
Jay McCarthy <jay at cs.byu.edu>
Assistant Professor / Brigham Young University
http://teammccarthy.org/jay

"The glory of God is Intelligence" - D&C 93