I was searching for a command line option parser that can handle git-style sub-commands and found a whole bunch of libraries. It appears as if libraries on this topic proliferate more than usual. I evaluated them only to the point where I could decide to skip it or give it a cursory test. The information I gathered is summarised below. If you only need the usual flag and option processing, i.e. not sub-commands, then I would suggest unix-opts. It appears to be the accepted standard and is act...
