Loading text files using variable names

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Kingsley Ripley
Kingsley Ripley 2011-4-26
Hi, Is there any way of loading a text file (say mydata.txt) using a variable name? What I need to do is allow the user to input the name of a text file, which contains an array, in the previous command, and then for the program to load the file with name and store it into another variable. Thanks in advance.

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Arnaud Miege
Arnaud Miege 2011-4-26
filename = input('Enter the file name (without the txt extension)','s');
fid = fopen([filename '.txt']);
C = textscan(fid, <format to be used>);
fclose(fid);
HTH,
Arnaud
  2 个评论
Kingsley Ripley
Kingsley Ripley 2011-4-26
At the risk of sounding stupid, what conversion specifier would I then use to load a 3x3 numeric array?
Arnaud Miege
Arnaud Miege 2011-4-26
It depends on what data type it is and how the data is delimited. Assuming a simple text file with:
5.2 5.3 5.4
6.5 6.6 6.7
7.8 7.9 8.0
You'll need something like:
C = textscan(fid,'%f %f %f','CollectOutput',1);
HTH,
Arnaud

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