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

*To*: mathgroup at smc.vnet.net*Subject*: [mg62376] Re: [mg62334] How to read a data file in text format?_from a new learner*From*: "David Annetts" <davidannetts at aapt.net.au>*Date*: Tue, 22 Nov 2005 04:42:24 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

Hi, > I want to import a data file that produced by > spectrometer into mathemathica and fit the data. The file is > in text format ("data.txt"). > The data in the file is characters: first line:some descriptions. > second line: 200, 45.5. third line: 201,44.3. and so on. If > you open the file "data.txt", you will see: > transmission ratio by UV-3150 > 200, 45.5 > 201,44.3 > 202,44.6 > 203,46.7 > ... > 1,000,75.5 > 1,000,76.3 > How to import these data in to mathematica 5.0 and plot the figure? > Thank you very much You can do this using inu = OpenRead["data.txt"] hdr = Read[inu, Record]; dat = ReadList[inu, {Number, Number}]; Close[inu]; ListPlot[dat]; No deep thinking required, only basic reading. Regards, Dave.