argue is an argument parsing library for C++, largely inspired by python's argparse package.

$ ./argue-demo -h
./argue_demo
--------------------
  version: 0.0.1
  author :Josh Bialkowski <[email protected]>
  copyright: (C) 2018

usage: ./argue_demo [-s/--sum] [-h/--help] [-v/--version]

Flags:
--------------------
-s     --sum                  sum the integers (default: find the max)
-h     --help                 print this help message
-v     --version              print version information and exit

Positionals:
--------------------
integer                       an integer for the accumulator

$ argue-demo 1 2 3 4
max(1, 2, 3, 4) = 4

$ argue-demo --sum 1 2 3 4
sum(1, 2, 3, 4) = 10