Most programming languages offer more than one way to create a copy of a file and Go is no exception. It is up to the developer to decide which approach to implement.
The there is more than one way to do it rule applies to almost everything implemented in this book, but file copying is the most characteristic example of this rule because you can copy a file by reading it line by line, byte by byte, or all at once! However, this rule does not apply to the way Go likes to format its code!
