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concatenate data files horizontally into one file

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Cody
Cody 2012-1-23
Hello,
I have several data files with the same number of rows and I need to concatenate them all into one big file. For example, we might have the following two files:
data1.dat:
1 1
2 2
3 3
data2.dat
4 4 4
5 5 5
6 6 6
and I want to concatenate data files into one horizontally into one file like below.
Bigdata.dat
1 1 4 4 4
2 2 5 5 5
3 3 6 6 6
Thanks a lot

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回答（1 个）

Walter Roberson
Walter Roberson 2012-1-23
alldata = [];
for K = 1 : NumberOfFiles %looping over all of the files
thisfile = whatever %name of file #K
thisdata = load(thisfile);
alldata = [alldate, thisdata];
end
  2 个评论
Cody
Cody 2012-1-23
Thanks.
But my files' name is like this: xxx1xx.dat, xxx2xx.dat and xxx3xx.dat
So how can I do that?
Walter Roberson
Walter Roberson 2012-1-23
http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F
alldata = [];
for K = 1 : NumberOfFiles %looping over all of the files
thisfile = sprintf('xxx%dxx.dat');
thisdata = load(thisfile);
alldata = [alldate, thisdata];
end

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