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MathGroup Archive 2005

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Re: Beginner: Importing files, maintaining file format.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg60657] Re: [mg60627] Beginner: Importing files, maintaining file format.
  • From: János <janos.lobb at yale.edu>
  • Date: Fri, 23 Sep 2005 04:20:05 -0400 (EDT)
  • References: <200509220608.CAA01908@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Did you try ReadList ?  Even if it takes all as text, then you can  
convert elements with ToExpression and ToString after the read.

János
On Sep 22, 2005, at 2:08 AM, smotz555 wrote:

> I know there must be a simple solution to this...
>
> I have an array.dat file, that has an array in it that is already  
> formatted and ready to plot. I'm going to be using the  
> ListPlotVectorField, so array.dat is in the format  
> {{point,vector},...}. I didn't see anything that let me take in 4  
> data points into that format, so I made the array.dat fit the  
> ListPlotVectorField format within the program it is generated.
> Basically I want to get from that .dat file to being able to plot.
>
> I've tried using import, but the line and table format there won't  
> hold the format of the file.
> So I tried Import["array.dat, "Text"], which would be optimal but  
> resulted in the output being considered as text, being put in "s,  
> and wouldn't plot until the " were removed. I don't really want to  
> remove those by hand...
>
> Then I tried using !!array.dat, but I can't seem to label that  
> output as anything.  I tried !!array.dat followed by varray = %,  
> but when I plotted it said varray was null. I also tried a few  
> other things similar to that.
>
> Any suggestions or a better method?
> Maybe there is another specification I can put in the Import function?
>
> Thanks,
> Lisa
>


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