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  • It looks like your issue is f.write("a","Hello",0); -Storage assumes that if the offset is 0 you intend to write a new file, so it just creates a new file with 5 characters.

    Instead, just combine the first write and you're sorted:


    How to determine the size of a file without reading it?Ā­age_read says:

    This function returns a String that points to the actual memory area in read-only memory, so it won't use up RAM.

    Basically running"a").length is just as efficient as if there were a special-purpose length function, so we just saved some space and left it out.


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