"Writes the value of each of its arguments to file _OUTPUT, or to <FileHandle> if this argument is given. The arguments must be strings or numbers. To write other values, use tostring or format before write. If this function fails, it returns nil, plus a string describing the error."
Example
Arguments
<FileHandle>: the handle of the file to write to. <Value1> to <ValueN>: the values to write to the file.