| OptionParser-class | R Documentation |
Option Parser
usageThe program usage message that will printed out if
parse_args finds a help option, %prog is substituted with the
value of the prog argument.
optionsA list of of OptionParserOption instances that will
define how parse_args reacts to command line options.
OptionParserOption instances are usually created by make_option
and can also be added to an existing OptionParser instance via the
add_option function.
descriptionAdditional text for print_help to print out between
usage statement and options statement
epilogueAdditional text for print_help to print out after
the options statement
formatterA function that print_help will use to print out after
the options statement. Default is IndentedHelpFormatter(). This
package also provides the builtin formatter TitledHelpFormatter().
Trevor Davis.
OptionParserOption
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