Problem with for loop and if
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I created the following code. The code will open 4 file.txt, extract the value and do some check. The first check is to verify if on the val{1,1}{5,1} ~= 'LIMA'. The problem is that If LIMA isn't on the txt file the programme works fine but when is on the txt file i don't have any output.
Please help me. :-)
fileList = dir( '*.txt' );
for i = 1 : numel( fileList )
nameFile{i} = fileList(i, 1).name;
NAME = char( nameFile(i) );
fid = fopen( NAME );
val (i) = textscan( fid, '%s', 'delimiter', ',' );
fclose( fid );
if val{1,1}{5,1} ~= 'LIMA' %| val{1,1}{6,1} == 'VOCI'
for j = 8 : size(val{1,1},1 )
A(i,j)=str2num( val{1,i}{j,1} );
% end
end
end
end
1 Comment
Jan
on 27 Oct 2011
@Maurizio: Please post your questions here instead of sending me emails. This forum lives from public questions and answers.
Have you read my profile?!
Answers (1)
Jan
on 27 Oct 2011
Do not use the == operator to compare strings. The result is an elementwise comparison. Use STRCMP instead.
You import the file data to "val(i)", but check "val{1,1}" in each iteration.
fileList = dir('*.txt');
nameFile = cell(1, numel(fileList)); % Pre-allocate!
for i = 1:numel(fileList)
NAME = fileList(i).name; % [EDITED]
nameFile{i} = NAME;
fid = fopen(NAME);
valC = textscan(fid, '%s', 'delimiter', ',');
val = valC{1};
fclose(fid);
if strcmp(val{5,1}, 'LIMA') == 0
for j = 8:size(val, 1)
A(i, j) = str2num(val{j, 1});
end
end
end
8 Comments
Jan
on 28 Oct 2011
Of course you can use a FOR loop also. But the shown "any(strcmp(String, Cell-String))" is nicer.
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