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MathGroup Archive 1995

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pRe: Writing big files with Mathematica

  • Subject: [mg2508] pRe: Writing big files with Mathematica
  • From: news at oracle.rz.uni-ulm.de (News Owner)
  • Date: Wed, 15 Nov 1995 07:00:28 GMT
  • Approved: usenet@wri.com
  • Distribution: local
  • Newsgroups: wri.mathgroup
  • Organization: Uni Ulm
  • Sender: daemon at wri.com ( )

In article <489hs1$gm7 at ralph.vnet.net> grot at marie.physik.tu-berlin.de (Bjoern Grothkast) writes:
>From: grot at marie.physik.tu-berlin.de (Bjoern Grothkast)
To: mathgroup at smc.vnet.net
>Subject: Re: Writing big files with Mathematica
>Date: 14 Nov 1995 07:52:33 GMT


Did one ( or both :-) ) of you try: 


 name = data;

Save["file",name]

At least that works for me under Mma 2.2 on Mac and Windows.


Lars Hohmuth
Sektioon Kernresonanzspektroskopie
Uni Ulm
Germany 

>risset at irisa.fr (Tanguy Risset) wrote:

>>Hello

>>I am using Mathematica (version  2.2 for SPARC) to manipulate
>>big list data structures. I have a problem when I try
>>to print the data structure into a file on the disk
>>with the command:

>>data >> "file"

>>The process is very slow and when the data is too big
>>(here approximately 200 Mbytes), Mathematica is exiting
>>(completely) with the message:

>>Out of memory.  Exiting.

>>Does anyone knows where does it come from?
>>And how I can manage to write down my data
>>in a file?

>>Thank you in advance

>>Tanguy Risset

>Hello Tanguy,

>unfortunately I can't help you with your problem. All I can say is that I
>had a similar problem with M. for Windows 2.2:

>I tried to read a file of about 128 kB byte by byte. Mathematica read onl=
>y
>about 40 kB and stopped then without complaining. I realized it only
>because I wanted to process the data further and about 88 kB of them wher=
>e
>missing.


>Greetings,

>        Bjoern
















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