problem in saving array in txt file

Question

huda nawaf 2012-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/35525-problem-in-saving-array-in-txt-file

采纳的回答： per isakson

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hi, I want to save this array in file but I did not get what I want

ex.

x={'RCIN' 'AFGN' 'RGGA';'RCIN' 'RQDM' 'RGGA'};

in fact my data is more larger, but are of this type.

when run this code:

outfid=fopen('web.txt','wt');
for i=1:2
  for j=1:3
    fprintf(outfid, '%c ',x{i,j} );
  end
  fprintf(outfid,'\n' );
end

I get web.txt as

R C I N A F G N R G G A 
R C I N R Q D M R G G A

But I need it as in array: 'RCIN' 'AFGN'.......

please, who can help me , I suffered from this problem since long time

thanks in advance, huda

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Answer 1

per isakson 2012-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/35525-problem-in-saving-array-in-txt-file#answer_44494

'%c' is single chracter. Try '%s'.

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huda nawaf 2012-4-15

thanks,

what i I saved in file, then I want read it . why it read character y character.

R

C

I

.

ETC

I want raed it as:

RXIN AFGN........

huda nawaf 2012-4-16

what u suggested is saving as i need but when read it , it read character by character while i need each 4 characters as one character

thanks

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Answer 2

Image Analyst 2012-4-15

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Looks right to me. You got the first row of the 2 by 3 cell array, which is 12 characters, on the first line, and the second row (second 12 characters) on the second line. That's an array of 2 rows and 12 columns. What's the issue? You also need to add an fclose(outfid);

If, by chance, you don't want the space between the characters, then just don't add one:

fprintf(outfid, '%c', x{i,j});

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huda nawaf 2012-4-16

but i need it array with two rows and three columns as in array above

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Answer 3

Jan 2012-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/35525-problem-in-saving-array-in-txt-file#answer_44504

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x = {'RCIN'    'AFGN'    'RGGA';'RCIN'    'RQDM'    'RGGA'};
outfid = fopen('web.txt','wt');
if outfid == -1, error('Cannot open file'); end  % Always check!
xt = transpose(x);
fprintf(outfid, '%s %s %s\n', xt{:});
fclose(outfid);