Command Line Option Parser
Functions to enable our OptionParser to recognize specific command lin...
Builtin help text formatters
Option Parser
A function to create an instance of a parser object
Class to hold information about command-line options
Command line option parser
Parse command line options.
Printing an usage message from an OptionParser object
A command line parser inspired by Python's 'optparse' library to be used with Rscript to write "#!" shebang scripts that accept short and long flag/options.