Renaming Files Program not doing task, New to MATLAB

I have have this code to rename files, but when I run it I am getting the following results.

Any help would be greatly appreciated... I am attempting to rename a bunch of files from Untitled.0001 to 1,2,3...jpg.

Answer 1

[Image Analyst]

No, you did not get the second screenshot from running the first screenshot. I know because the second screenshot will have filetype end in *.jpg while your first screenshot had filetype ending in untitled.0001.jpg. That could NOT happen with the code on the right.

Anyway, see the FAQ http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

[Michael Cimorelli]

Oops, that was the result of me not knowing what I was doing and editing the code!

Here is the result I get.

[Image Analyst]

That means that there are no JPEG format files in your folder.

[Michael Cimorelli]

That is really strange, the variable folder in the bottom left corner recognizes that they are JPEG images.

Any idea how to trouble shoot this error?

[Image Analyst]

The folders are different. "you" is not the current folder but the images are in the current folder. Change c:\users\you\...... to pwd or "C:\users\Michael......" and it should work

folder = pwd; % Set to current folder.
% or
folder = 'c:\users\Michael....whatever'

[Michael Cimorelli]

Still isn't running correctly.

Thank you for the help!

[Image Analyst]

Is this on a Windows system? I know Windows can take slashes in either direction. If it's linux, then I'm not sure.

[Michael Cimorelli]

Mac, iOS

[Thorsten]

Directories do not start with 'C:' on Mac OS, and directories are separated with '/'. Use:

folder = '/Users/MichaelCimonrelli/Documents/MATLAB/NameChange';

You can use

pwd

to have a look at how a correct dirname looks like.