'How to read the first N bytes of a file or less if it is shorter? [duplicate]
Is there an easy way to read the first N bytes of a file in Rust? The two most relevant functions seem to be read and read_exact, but read can return fewer bytes than available for whatever reason, so I would have to call it in an annoying loop, and read_exact gives up if the file is shorter than N bytes (whereas I'd prefer it to just read the entire file).
This is not a duplicate of this question which can be solved with read_exact: How to read a specific number of bytes from a stream?
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