File Exchange

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version 1.0 (3.87 KB) by Adam Danz
Automatically rename any file if the file name already exists in the directory chosen.


Updated 12 Apr 2015

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AUTO_RENAME.m is helpful when saving multiple files (.mat, .fig, .m, or any extension) that should be tagged with a number to avoid duplicate files. Enter the full path to the file you're saving and enter a string describing how the numerical tag should appear. The output is a full path to the unique file name.
auto_rename ('C:\Users\user\Documents\MATLAB\mydata.mat', ' vs 0')
= 'C:\Users\user\Documents\MATLAB\mydata vs 2.mat'

This will search the dir for this file name and will append it with ' vs x' where x is the first integer after 1 that will make the file name unique. The integer will be placed at the location of '0' within the input string (in this case, ' vs 0').

See help file for more examples.

Cite As

Adam Danz (2021). auto_rename (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2014a
Compatible with any release
Platform Compatibility
Windows macOS Linux

Inspired: Next Available Filename

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