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Saving a table in a file


Hello! I'm trying to make a program that needs to save a table.

I want my program to read the save file everytime it starts and store the informations inside a table.
I also want to be able to save the table into the file, overwriting what was previously stored.

The table is a simple list of values that I use to remember the user's settings.

The thing is that I have trouble understanding how io.read and io.write works...
Could anyone send me an example of a script that reads and writes to a file?

Thank you!

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