/usr/share/doc/libruby1.8/readline/README is in libruby1.8 1.8.7.352-2ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62  | Extension for GNU Readline Library
Example:
  require "readline"
  include Readline
  line = readline("Prompt> ", true)
[Readline]
<module function>
readline(prompt, add_history=nil)
  Reads one line with line editing.  The inputted line is added to the
  history if add_history is true.
<class methods>
completion_proc = proc
  Specifies a Proc object to determine completion behavior.  It
  should take input-string, and return an array of completion
  candidates.
completion_proc
  Returns the completion Proc object.
completion_case_fold = bool
  Sets whether or not to ignore case on completion.
completion_case_fold
  Returns true if completion ignores case.
completion_append_character = char
  Specifies a character to be appended on completion.
  Nothing will be appended if an empty string ("") or nil is
  specified.
completion_append_character
  Returns a string containing a character to be appended on
  completion.  The default is a space (" ").
vi_editing_mode
  Specifies VI editing mode.
emacs_editing_mode
  Specifies Emacs editing mode.
<class constants>
HISTORY
The history buffer.  It behaves just like an array.
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