print_help {optparse} | R Documentation |
print_help
print an usage message from an OptionParser object,
usually called by parse_args
when it encounters a help option.
print_help(object)
object |
A OptionParser instance.
|
print_help
uses the cat
function to print out a usage message. It returns invisible(NULL)
.
Trevor Davis.
The documentation for Python's optparse library, which this package is based on, is Copyright 1990-2009, Python Software Foundation.
Python's optparse
library, which this package is based on,
is described here: http://docs.python.org/library/optparse.html
OptionParser
{parse_args}
{OptionParser}