Calls open with ‘a’ argument and make sure that the parent directory of the file exists
Loading the file full total. This is used generally for loading an ascii file content. It does not work with binary file on windows system because it does no put the system on binary mode
calls open with ‘r’ as argument.
Calls open with ‘r’ as argument and sets the io to binary mode
Calls open with ‘w’ argument and makes sure that the parent directory of the file exists
Calls open with ‘wb’ argument, sets the io to binmode and make sure that the parent directory of the file exists
[Validate]