Check4updates tracks updates of your favourite FeX packages, with GUI-selection for download.
Updated 15 Nov 2013

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With a large number of FeX packages installed it is difficult to keep track of updates and modifications. Check4updates is a utility to keep track of such updates and provides the user with a handy interface where the user can select updated packages for downloading. The list of FeX contributions to track is contained in a separate function for easy Creation, modification and extension. The downloaded files are by default saved in a separate directory to allow the user to inspect/modify/verify before installing the updates.

*A modified function handle as input, that should return a file/directory-name FexId cell-array and require no input arguments, makes it possible to use this function as a package aggregator if one wants to distribute a package that requires a number of FeX contributions, simply make a function listing all required and suggested FeX packages and have the recipient run-download-install those.

Developed and tested in 2012a-2013a but nothing fancy is used, should work on far older releases.

Cite As

Bjorn Gustavsson (2024). Check4updates (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2012a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes

- Call-sequence changed
- Input fnc2ReadFrom can be either a function handle or a
cell-array with output with the same pattern
- Problem with false positives for available new releases solved.
- Improved GUI

Removed indexing bug in Check4updates.m

Indexing bug fixed.
Changed the behaviour to also offer downloading of packages not found locally
Added a function handle input argument for flexibility of files-to-watch for