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MathGroup Archive 2007

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RE: How to export txt files with variable name &

  • To: mathgroup at smc.vnet.net
  • Subject: [mg72588] RE: [mg72559] How to export txt files with variable name &
  • From: "David Annetts" <davidannetts at aapt.net.au>
  • Date: Wed, 10 Jan 2007 03:39:12 -0500 (EST)

Hi Cham, 

> I need to use the operation
> D0[Export["Coord_n.txt", Coord[n], "Table"], {n, 0, 3}]
> 
> with a variable name.  I want Mathematica to write down 
> several files with names likes this (as much names as there 
> are values for the variable "n") :
> 
> Coord_0.txt,  Coord_1.txt,  Coord_2.txt,  Coord_3.txt
> 
> How can I do that ?

You'll need to convert the numbers (in your case, array indicies) to
strings, so you can join them to strings to form the file name.

	ofile = StringJoin["Coord_", ToString[#], ".txt"] & /@ Range[3]

You can then write your data using

	Export[ofile[[#]], Coord[[#]], "Table"]& /@ Range[3]

You rarely need Do[].

Regards,

Dave.


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