diff options
Diffstat (limited to 'doc/optparse/tutorial.rdoc')
| -rw-r--r-- | doc/optparse/tutorial.rdoc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/doc/optparse/tutorial.rdoc b/doc/optparse/tutorial.rdoc index b104379cf7..6f56bbf92d 100644 --- a/doc/optparse/tutorial.rdoc +++ b/doc/optparse/tutorial.rdoc @@ -351,6 +351,29 @@ Executions: Omitting an optional argument does not raise an error. +==== Argument Abbreviations + +Specify an argument list as an Array or a Hash. + + :include: ruby/argument_abbreviation.rb + +When an argument is abbreviated, the expanded argument yielded. + +Executions: + + $ ruby argument_abbreviation.rb --help + Usage: argument_abbreviation [options] + Usage: argument_abbreviation [options] + -x, --xxx=VALUE Argument abbreviations + -y, --yyy=VALUE Argument abbreviations + $ ruby argument_abbreviation.rb --xxx A + ["--xxx", "ABC"] + $ ruby argument_abbreviation.rb --xxx c + argument_abbreviation.rb:9:in `<main>': invalid argument: --xxx c (OptionParser::InvalidArgument) + $ ruby argument_abbreviation.rb --yyy a --yyy d + ["--yyy", "XYZ"] + ["--yyy", "FOO"] + === Argument Values Permissible argument values may be restricted |