Intel® Fortran Compiler 17.0 Developer Guide and Reference

File Access and File Structure

Fortran supports three methods of file access:

Fortran supports three kinds of file structure:

Sequential-access and direct-access files can have any of the three file structures. Stream-access files can have a file structure of formatted or unformatted.

Choosing a File Access and File Structure

Each kind of file has advantages and the best choice depends on the application you are developing: