Do you have some example code? I did some tests before I wrote that reply and found that it didn't reallocate the file if the size was different.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Do you have some example code? I did some tests before I wrote that reply and found that it didn't reallocate the file if the size was different.