readPreference: Read Preference
Description
Reads a user preference, useful to remember preferences across different R
sessions for the same user.
Usage
readPreference(name, default)
Arguments
name
The name of the preference.
default
The default value to use when the preference is not available.
Details
User preferences can have arbitrary names and values. You must write
the preference with writePreference before it can be read
(otherwise its default value will be returned).