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Re: How to read a data file in text format?_from a new learner

  • To: mathgroup at smc.vnet.net
  • Subject: [mg62360] Re: How to read a data file in text format?_from a new learner
  • From: lucb at ea.com
  • Date: Tue, 22 Nov 2005 04:42:01 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

my pattern for reading files like these would be:

 thisFile = OpenRead["C:\\Documents and Settings\\Luc\\Desktop\\sample.txt"];
 data = ReadList[thisFile, String];
 Close[thisFile];

Then you need to remove the first line:
 data2 = Rest[data];

Then transform the strings into proper numbers:

 data3 = ToExpression[StringReplace[#, {"," -> "", " " -> ""}]] & /@ data2

Finally plot the data:

 ListPlot[data3, PlotRange -> All]









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