OptionParser-class: Option Parser
In optparse: Command Line Option Parser
OptionParser-class R Documentation
Option Parser
Description
Option Parser
Slots
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().
See Also
OptionParserOption
optparse documentation built on April 17, 2026, 9:06 a.m.
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| OptionParser-class | R Documentation |
Option Parser
Description
Option Parser
Slots
usageThe program usage message that will printed out if
parse_args()finds a help option,\%progis substituted with the value of theprogargument.optionsA list of of
OptionParserOptioninstances that will define howparse_args()reacts to command line options.OptionParserOptioninstances are usually created bymake_option()and can also be added to an existingOptionParserinstance via theadd_option()function.descriptionAdditional text for
print_help()to print out between usage statement and options statementepilogueAdditional text for
print_help()to print out after the options statementformatterA function that
print_help()will use to print out after the options statement. Default isIndentedHelpFormatter(). This package also provides the builtin formatterTitledHelpFormatter().
See Also
OptionParserOption
R Package Documentation
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