read a text file in matlab

To read a text file in Matlab, you can use the "fopen", "fgetl" and "fclose" functions. Here's an example code snippet:

main.m
fileID = fopen('example.txt', 'r'); % Open the file in read mode
data = {}; % Initialize an empty cell to store file contents
tline = fgetl(fileID); % Read the first line of the file
while ischar(tline) % While the end of the file isn't reached
    data{end+1} = tline; % Store the line in the cell array
    tline = fgetl(fileID); % Read the next line
end
fclose(fileID); % Close the file
390 chars
9 lines

In this example, "example.txt" is the name of the file you want to read. The "fopen" function returns a file identifier (fileID) that can be used to access the file. The "r" argument specifies that the file should be opened in read mode.

A while loop is then used to read each line of the file using the "fgetl" function. The "ischar" function is used to check whether the end of the file has been reached. Each line is stored in a cell array called "data".

Finally, the "fclose" function is used to close the file and release the file handle.

Note that there are other ways to read text files in Matlab, such as using the "textscan" function or the "importdata" function, but the above example is a basic method that should work for most simple cases.