Matlab读取文件夹中所有特定类型文件

baqiao

假如要读取某个文件夹中所有的图片文件：clear all;
clc;
%%
slashtype = filesep;
%  FILESEP Directory separator for this platform.
%     F = FILESEP returns the file separator character for this platform.
%     The file separator is the character that separates
%     directory names in filenames.
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# K/ \# k8 w, J; _options.dir = ['.',slashtype]; % The directory you would like to read

( H2 d7 m7 G2 e: h: S+ P, q, @imext = {'.jpg','.bmp','.png','.tiff','.tif'}; % All the file extentions

8 a# v, k: ]$ {; _& k: k  U% Read all the files in this directory with the extensions
! f* h4 f6 K# z0 W[fileinfo,filenumber] = Read_Dir_Files(options.dir,imext);
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) a. T* ~7 B& }! Q, CRead_Dir_Files 函数如下：

0 S5 i* m; o) T7 z7 B9 R' u) yfunction [fileinfo,filenumber] = Read_Dir_Files(inputdir,extention)
% This function read the files with all the input extensions in the directory 'inputdir'
% Input: inputdir  --- the directory you would like to go through
: x- C& U. }5 S%        extention --- cells, have the extension you specified
% Output: fileinfo --- cells, fileinfo{i}.fullname fileinfo{i}.name
  `# r- S8 |. h8 }# p%                      fileinfo{i}.extension
%         filenumber -- the total number of files
%
% Example usage: [fileinfo,filenumber] = Read_Dir_Files('./',{'.m'})
%
% \9 ^  C# X8 Z3 A# D& I! p
files = dir(inputdir);  % get all the name of files and dirs under the folder 'inputdir'
% Here files can be file or a directory


& N2 w" o4 x" E8 F%Loop over all filenames
ii=0;
1 l9 }" Q* U! E; tfor iF = 1:length(files)
4 K! h) y) H/ ?( T. @2 Q    %
4 k, F8 F" B+ R$ M* X: }: R    if (~files(iF).isdir)
        %
        % If name is not a directory get detailed information
        %
        [pathstr, name, ext] = fileparts(files(iF).name);
' a8 A8 ~. p8 B: l: r+ |; ~( f* S9 ?        %     [PATHSTR,NAME,EXT,VERSN] = FILEPARTS(FILE) returns the path,
7 P7 Z& C; C8 K' D! u        %     filename, extension and version for the specified file.
        %     FILEPARTS is platform dependent.
" W% }8 m8 r; m" X' q6 }0 D2 X) @7 D        
( l; w- n+ ], k        %Loop for all the extension
        for ie=1:length(extention)
* `) v" }& [  D4 I/ n            %
            % Compare to known extentions and add to list
            %
) A/ X, E* X1 [0 x( }# m$ N9 y: H9 J            if (strcmpi(extention{ie},ext))
; n  r+ g8 Y: e9 g0 @                ii = ii + 1;
                ext = ext(2:end);
                fileinfo{ii}.fullname   = [inputdir,name,'.',ext];
                fileinfo{ii}.name       = name;
) R: k/ T. J7 c+ j) u' O- _" ]( L                fileinfo{ii}.extension  = ext;
$ @. ?7 `  R) g. Z0 [( ?! T8 _            end
            %
        end
        %
2 y" U  A0 L6 a2 y    end
    %
) r  @5 B' N5 j  m: J! @6 \: |+ Uend
filenumber = ii;
; |$ n% K7 U+ K& g; f. K4 zif filenumber==0
3 z9 W. {1 q* s" ^    fileinfo={};
end

end

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yin123

Matlab读取文件夹中所有特定类型文件