Backings up a shared text file was looking for a way to backup a shared text file each time someone edited it using (https://www.noodlesoft.com/). I found the answer on how to do it in a [12 year old forum post](https://www.noodlesoft.com/forums/viewtopic.php?f=4&t=4013) in the Noodlesoft forums.

You need to set up a condition on the folder to watch as...

Date Last Modified > is after ＞ Date Last Matched

Then on the other folder set up to copy to whatever folder with the option set to
replace the file.

If someone edits and saves the text file, it'll backup that file automatically. There are a
lot of issues with this method. I just use it as a lo-rent backup system. The text file might burst into flames if two people work on it at the same time.