FLAP, Fortran command Line Arguments Parser for poor people. A KISS pure Fortran Library for building powerful, easy-to-use, elegant command line interfaces. FLAP is a pure Fortran (KISS) library for building easily nice Command Line Interfaces (CLI) for modern Fortran projects; FLAP is Fortran 2003+ standard compliant; FLAP is OOP designed; FLAP is a Free, Open Source Project. Modern Fortran standards (2003+) have introduced support for Command Line Arguments (CLA), thus it is possible to construct nice and effective Command Line Interfaces (CLI). FLAP is a small library designed to simplify the (repetitive) construction of complicated CLI in pure Fortran (standard 2003+). FLAP has been inspired by the python module argparse trying to mimic it. Once you have defined the arguments that are required by means of a user-friendly method of the CLI, FLAP will parse the CLAs for you. It is worthy of note that FLAP, as argparse, also automatically generates help and usage messages and issues errors when users give the program invalid arguments.

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