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#MASS RENAME PITURES MATLAB CODE#The above code also uses the DIR and MOVEFILE functions (as mentioned in the other answers). MATLAB-Mass-file-rename/massfilerename. The aim is renaming the images from 1,2,3. Simple function to rename all files and subfolders inside a directory. This affects my dataset because their position is important. Applying the code on 101 images, 101th image becomes the first, 100th becomes the second and the tenth becomes the third. The naming of the level above these files was +3um and -8um etc, These need to be renamed as +0.003x and -0.008x so that there is a +/- at the start, then the number in microns is converted into millimeters and all with an x on the end. jpg files in a directory in this way: dirData = dir('*.jpg') %# Get the selected file dataįileNames = ,newName) %# Rename the file After renaming 10 images, the tenth image becomes the number one. Here's some sample code that renames all the. Either way, I suspect you'll need to loop through a direcory listing, this can be done with either the 'dir' or 'ls' functions. To create file names like this, you can use the SPRINTF function. You could use matlab's 'movefile' function (first parameter is the source name, second parameter is the destination) or when you write the image originally you could specify the file e in your imwrite command. If you instead pad the number with zeroes up to the maximum number size (in your case 5 digits), the sort order should be maintained better in the directory: image00001.jpg This isn't generally what you would want. I need to randomly assign them numbers WITHOUT repeating numbers for all of the images. For example, using the naming convention you give above will sometimes result in a sort order like this: image1.jpg I have 1 directory and 63 subdirectory with images in each directory. This is what I've tried.One thing you'll want to keep in mind is exactly how the format of the number part of the file name will look, as this can sometimes affect the ordering of the files in the directory. I have a selection of images of a, optical calibration target that need to be renamed in order to be effectively processed. So in MATLAB, from the directory with the file you could execute: > system ('rename ' + 'oldname.txt' + ' ' + 'newname.txt') If the file names contain spaces, this can confuse the operating system, so a more. #MASS RENAME PITURES MATLAB HOW TO#The only problem is, I don't know how to get the length of the loop, and I don't understand how MATLAB reads files in a directory. The naming of the level above these files was +3um and -8um etc, These need to be renamed as +0.003x and -0.008x so that there is a +/- at the start, then the number in microns is converted into millimeters and all with an x on the end. On Windows using CMD, the 'rename' command works like this: C:> rename filepath newname.
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