MATLAB: I wanna save string data in the gui with txt format but I want to choose directory and file name in dialog box

Question

for example;

string=[100, 150, 200]

I want to save this data with .txt format in dialog box which enables me to choose directory and file name like uiputfile.

Answer 1

[file_name  PathName] = uigetfile('*.mat','Select *.mat file');
full_file_path = fullfile(PathName, file_name);
fid = fopen('my_txt_file.txt','w'); % open file for writting
fwrite(fid,full_file_path);
fclose(fid);