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MathGroup Archive 2005

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Re: Working with huge text files with mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg56400] Re: Working with huge text files with mathematica
  • From: Alain Cochard <alain at geophysik.uni-muenchen.de>
  • Date: Sun, 24 Apr 2005 03:28:50 -0400 (EDT)
  • References: <d4clv2$357$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Andrey Shevchuk <AShevchuk at Maplebank.com> writes:

> Hi Everybody,
> 
> I face a problem when try to read in a huge data file with my Mathematica5.1
> 
> The file is approx. 4Gb large and was created by another Mathematica
> application (So, I think Mathematica should be able to handle it). 
> 
> Now, if I try to use Read on a stream from this file and it returns
> EndOfFile and nothing else!
> I checked the file with the HexEdit (an editor for huge files) and it is not
> corrupt and has actually the data I need.
> 
> A similar file (from the same application) but 1Gb works perfectly.
> Any ideas?

Have you tried by splitting the very file (not just a similar one)
that causes problem?  Maybe there is a problem somewhere that you
don't see with hexedit.


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