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Mathematica > Core Language > Package Development > Options Management > Options >

Options

Options[symbol]
gives the list of default options assigned to a symbol.

Options[expr]
gives the options explicitly specified in a particular expression such as a graphics object.

gives options associated with a particular stream.

Options[object]
gives options associated with an external object such as a NotebookObject.

gives the setting for the option name.

gives a list of the settings for the options

Many built-in functions allow you to give additional arguments that specify options with rules of the form .

Options[f] gives the list of rules to be used for the options associated with a function f if no explicit rules are given when the function is called.

You can assign a value to Options[symbol] to redefine all the default option settings for a function.

You can use Options on InputStream and OutputStream objects. If there is only one stream with a particular name, you can give the name as a string as the argument of Options.