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I want to save some plain text periodically to a text file, and it will be really better if I can minimize the chance of corrupting the file in case the app gets terminated or the system restarts. What are the way to ensure that the plain text file is always good.
I will run the program from USB drive, so want to make sure the file is still perfect if I eject the drive without closing the App.
You could take a look at using transactions on the NTFS file system, assuming that the USB stick is formatted NTFS and your OS is Vista or better.