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Articles related to option arguments

Optional Method Parameters with Hashes - Ruby - About.com
Using hashes to simulate optional named parameters in methods.
http://ruby.about.com/od/advancedruby/qt/opthash.htm
OptionParser--Parsing Command-line Options the Ruby Way
For example, it will know the --file [FILE] option is optional, and takes a single argument. Also, it will know that --[-no]-verbose is really two options, and will accept ...
http://ruby.about.com/od/advancedruby/a/optionparser.htm
Optional Function Arguments - JavaScript - About.com
Javascript provides optional parameters for functions in its own unique way.
http://javascript.about.com/library/blargs.htm
Keyword Arguments - Ruby - About.com
It will spit out a URL for an action/controller pair, but also takes a whole host of optional arguments that you won't need 99% of the time. If you've ever spent any  ...
http://ruby.about.com/od/beginningruby/ss/Keyword-Arguments.htm
Use OptionParser to Parse Commands in Ruby - About.com
A simple switch is an argument with no optional forms or no parameters. The effect will be to simply set a flag in the options hash. No other parameters will be  ...
http://ruby.about.com/od/advancedruby/a/optionparser2.htm
JavaScript Functions - Optional Parameters - About.com
JavaScript has its own unique way of handling where you want parameters to your function to be optional.
http://javascript.about.com/od/3functions/a/fun04.htm
sh - Linux Command - Unix Command
An interactive shell is one started without non-option arguments and without the - c option whose standard input and output are both connected to terminals (as ...
http://linux.about.com/library/cmd/blcmdl1_sh.htm
How to pass arguments to a Bash-script - Linux - About.com
Oct 20, 2011 ... You can write a bash script such that it receives arguments specified when ... flags method you can also make some of the arguments optional.
http://linux.about.com/od/Bash_Scripting_Solutions/a/How-To-Pass-Arguments-To-A-Bash-Script.htm
Command-line Options--Long Form and Short ... - Ruby - About.com
There are two forms of command-line options: long form and short form. Both long and short form options take arguments, each a little differently.
http://ruby.about.com/od/advancedruby/a/commandoptions.htm
Command-line Arguments in Ruby - About.com
Use command-line arguments to pass parameters to your Ruby scripts from the command line.
http://ruby.about.com/od/rubyfeatures/a/argv.htm
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