Function parse_options

ruby/engine/openstudio_cli.rb:229–247

This is a convenience method that properly handles duping the originally argv array so that it is not destroyed. This method will also automatically detect "-h" and "--help" and print help. And if any invalid options are detected, the help will be printed, as well @param [Object, nil] opts An instance of OptionParse to parse against, defaults to a new OptionParse instance @param [Array, nil] arg

(opts=nil, argv=nil)

# @return[Array, nil] If this method returns `nil`, then you should assume that help was printed and parsing failed
#
def parse_options(opts=nil, argv=nil)
  # Creating a shallow copy of the arguments so the OptionParser
  # doesn't destroy the originals.
  argv ||= $argv.dup

  # Default opts to a blank optionparser if none is given
  opts ||= OptionParser.new

  # Add the help option, which must be on every command.
  opts.on_tail('-h', '--help', 'Print this help') do
    safe_puts(opts.help)
    return nil
  end

  opts.parse!(argv)
  return argv
rescue OptionParser::InvalidOption, OptionParser::MissingArgument
  raise "Error: Invalid CLI option, #{opts.help.chomp}"
end

# Method to clean the args. Windows cmd.exe treats single quotes as regular chars so we strip them if found.
def clean_argv(argv)