add string to matrix/ array in loop

3 次查看（过去 30 天）
D.
D. 2011-4-15
I wrote this function to get the full paths of all files in a specific folder:
function [ paths ] = getPaths(folder)
%GETPATHS Get full path of files containing a given folder
filelist = dir(folder);
filenames = {filelist.name};
paths = zeros(numel(filenames),1);
for k=3:numel(filenames)
[pathstr, name, ext] = fileparts(filenames{k});
current_path = [folder pathstr name ext];
paths(k) = current_path;
end
end
I get the error message:
??? In an assignment A(I) = B, the number of elements in B and
I must be the same.
Error in ==> getPaths at 10
paths(k) = current_path;
How can I add string to matrix/ array in loop?

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采纳的回答

Oleg Komarov
Oleg Komarov 2011-4-15
fldr = 'C:\Users\Oleg\Desktop\';
s = dir(fldr);
strcat(fldr, {s(~[s.isdir]).name})
  1 个评论
D.
D. 2011-4-18
this works with a '\' between path and file:
fldr = 'C:\Users\Oleg\Desktop\';
s = dir(fldr);
strcat(fldr, '\', {s(~[s.isdir]).name})
thank you!

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更多回答（1 个）

Andrei Bobrov
Andrei Bobrov 2011-4-15
can so
...
paths = cell(numel(filenames),1);
for k=3:numel(filenames)
[pathstr, name, ext] = fileparts(filenames{k});
paths(k) = {folder pathstr name ext};
end
...

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