Using dir() in a compiled script

Question

Benjamin 2014-9-12

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/154492-using-dir-in-a-compiled-script

评论： Benjamin 2014-9-12

Hi everybody!

I'm trying to compile my matlab script which includes the dir function to get the files from a certain path. It works perfectly in the uncompiled *.m version but as soon as I've compiled my code as a console application it seems like that function doesn't work Here's the code:

...
path=strcat(path,'Results');
path2=strcat(path2,'\\Results');
fprintf('%s \n',path);
fprintf('%s \n', path2);
%Open file
fprintf('read files \n');
files=dir(strcat(path,'/*.txt'));
fprintf('list files \n');
fprintf(files.name);
fprintf('listed files \n');
k=1;
for i=1:length(files)
  fprintf('i = %d \n',i);
  filename=files(i).name;
  if length(filename)>5
      if strcmp(filename(1:6),'Blende')
          fprintf('%s \n', filename);
          filepath{k}=strcat(path2,'\\',filename);
          k=k+1;
      end
  end
end
...

And this is the output:

 Z:\...\Results
 Z:\\...\\Results
 read files
 list files
 ??? Error using ==> fprintf
 Not enough input arguments.
 Error in ==> start at 52
 MATLAB:minrhs
 Z:\...\Programm>

I get the variable "path" which contains my path to the folder with my textfiles (it's on a server) over a function before. This seems to work since it prints that path.

Any idea?

Thanks!

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Answer 1

Robert Cumming 2014-9-12

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https://ww2.mathworks.cn/matlabcentral/answers/154492-using-dir-in-a-compiled-script#answer_151462

You get the fprintf error becuase your variable files is empty.

You should look at the var fullfile to build your path and wildcard.

You can check the path using isdir .

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Benjamin 2014-9-12

Thanks! I found out, that it's got a problem with server paths, maybe the permissions. As I ran the program on a local drive it was working.

Benjamin 2014-9-12

Is there any way to handle those network permissions? The network drive is mounted...I've also tried with setting the real network path (not Z: ...) but it doesn't work either. The current user has access to that drive with his login

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