Function head_to_string

pub fn head_to_string(path: impl AsRef<Path>, limit: usize) -> Result<String>

Reads the first N bytes from a file and return them as a string.

It assumes that the file is encoded with UTF-8, so any invalid UTF-8 sequences will be replaced with U+FFFD REPLACEMENT CHARACTER, which looks like this: �, learn more here).

It is equivalent to head -c limit *nix utility.