In Files

  • irb/ext/save-history.rb

Included Modules

  • Readline

IRB::HistorySavingAbility

Public Class Methods

create_finalizer() click to toggle source 
 
               # File irb/ext/save-history.rb, line 53
def HistorySavingAbility.create_finalizer
  proc do
    if num = IRB.conf[:SAVE_HISTORY] and (num = num.to_i) > 0
      if hf = IRB.conf[:HISTORY_FILE]
        file = File.expand_path(hf)
      end
      file = IRB.rc_file("_history") unless file
      open(file, 'w' ) do |f|
        hist = HISTORY.to_a
        f.puts(hist[-num..-1] || hist)
      end
    end
  end
end
extended(obj) click to toggle source 
 
               # File irb/ext/save-history.rb, line 68
def HistorySavingAbility.extended(obj)
  ObjectSpace.define_finalizer(obj, HistorySavingAbility.create_finalizer)
  obj.load_history
  obj
end

Public Instance Methods

load_history() click to toggle source 
 
               # File irb/ext/save-history.rb, line 74
def load_history
  hist = IRB.conf[:HISTORY_FILE]
  hist = IRB.rc_file("_history") unless hist
  if File.exist?(hist)
    open(hist) do |f|
      f.each {|l| HISTORY << l.chomp}
    end
  end
end