How to rename a lot of files

i have file with name 001ab.SAC, 002ab.SAC.... 100ab.SAC and try to add character such as md05 so it will be like 001ab_md05.SAC, 002ab_md05.SAC.... 100ab_md05.SAC.

i am confuse to convert cell (001ab, 002ab... 100ab) to string, can anyone help me? Thankyou

Answer 1

[KSSV]

files = dir('*.SAC');
% Loop through each file
for id = 1:length(files)
    % Get the file name (minus the extension)
    [~, f] = fileparts(files(id).name);
      % write the rename file 
      rf = strcat(f,'b_md05.SAC') ;
      % rename the file 
      movefile(files(id).name, rf);

end