how to filter files in matlab

i have 1000 .txt files with different file name in a folder(MAIN) and i need to filter some files which the names are given in filestocopy.txt. i need to copy those mentioned files and stored in a separate folder..any help..for example..see below..

 Inside MAIN folder

 SAMPLE_20120807_1816.TXT
SAMPLE_20120807_1916.TXT
SAMPLE_20121207_1311.TXT
SAMPLE_20121307_1816.TXT
SAMPLE_20121322_1902.TXT
SAMPLE_20121412_1351.TXT

 Inside filestocopy.txt

 SAMPLE_20120807_1816
 SAMPLE_20121207_1311
 SAMPLE_20121412_1351

Answer 1

[Azzi Abdelmalek]

files={'SAMPLE_20120807_1816.TXT'
'SAMPLE_20120807_1916.TXT'
'SAMPLE_20121207_1311.TXT'
'SAMPLE_20121307_1816.TXT'
'SAMPLE_20121322_1902.TXT'
'SAMPLE_20121412_1351.TXT'}
files1=strrep(files,'.TXT','')
c=importdata('filename1.txt')
idx=ismember(files1,strtrim(c))
out=files(idx)
destintion='E:/'
for k=1:numel(out)
  copyfile(out{k},destination)
end

[sandy]

super...its works..thanks azzi..

Answer 2

[Jos (10584)]

Here is some code to get you started:

CopyFolder = './MyFolder' ;
fid = fopen('files2copy.txt');
Files = textscan(fid, '%s');
fclose(fid);

CurrentFolder = pwd ;
cd (CopyFolder)
for k=1:numel(Files)
   success = copyfile(Files{k}) % copy to current folder
   if ~success, 
     disp([Error in copying file: ' Files{k})]) ;
     break 
   end   
end
cd (CurrentFolder) % back to original folder

[sandy]

thanks..showing error..

   ??? Error using ==> copyfile
Argument must contain a string.

Error in ==> sss at 5 success = copyfile(c{k}); % copy to current folder

[Jos (10584)]

Check the contents of the cell array Files (or c, as you named it).

...
disp(Files{k})
success = copyfile(Files{k}) % copy to current folder
...

[sandy]

ok thanks jos..its not copying the files which are mentioned inside filestocopy.txt

[Image Analyst]

You need to supply two files to copyfile() - a source file and a destination file. So make up two strings.

[sandy]

is this code correct? Any better codes than this below code?

 fid = fopen('filestocopy.txt'); 
cell_data = textscan(fid, '%s');
fclose(fid);
matrix_data = [cell_data{:}];

 path = 'C:\Users\test\MAIN';
listing = dir(fullfile(path, '*.txt'));
 mkdir('C:\Users\test\','Filtered Files');
for K = 1 : length(listing)
     fname = listing(K).name;
     copyfile(fname,'C:\Users\test\Filtered Files\');
end

[Jos (10584)]

@Image Analyst: ML changed the behaviour of their function copy file. In the version I am using right now (2011b), the help says:

"[SUCCESS,MESSAGE,MESSAGEID] = COPYFILE(SOURCE) attempts to copy SOURCE to the current directory."

@sandy: see the documentation of copy file for some examples: http://www.mathworks.nl/help/matlab/ref/copyfile.html

[Image Analyst]

Sandy, you're not accepting the success return arguments. It's more robust to do that, like Jos's code showed. Anyway, does it work? If it does, mark the Answer as "Accepted".

[sandy]

its not working..my code just copying only the .txt files inside MAIN folder .but i need the copy only the file names mentioned inside filestocopy.txt.. showin error as

   fid = fopen('filestocopy.txt'); 
cell_data = textscan(fid, '%s');
fclose(fid);
mat = [cell_data{:}];

 path_03 = 'C:\Users\test\Desktop\sample\';
listing = dir(fullfile(path_03, '*.tim'));
 mkdir('C:\Users\test\Desktop\sample\','Filtered Files');
a={listing.name};
a=a';
out=strrep(a,'.txt','');
cc=ismember(out,mat);
dd=find(cc);
      for k=1:numel(out)
         x=out(dd,:);
      end
   copyfile(x,'C:\Users\test\Desktop\sample\Filtered Files\');

showing error as

   ??? Error using ==> copyfile
Argument must contain a string.

 Error in ==> sss at 18
   copyfile(x,'C:\Users\test\Desktop\sample\Filtered
   Files\')