Module: IRB::HistorySavingAbility
- Includes:
- Readline
- Defined in:
- lib/irb/ext/save-history.rb,
lib/irb/ext/save-history.rb
Class Method Summary collapse
-
.extended(obj) ⇒ Object
def HistorySavingAbility.create_finalizer proc do if num = IRB.conf and (num = num.to_i) > 0 if hf = IRB.conf 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 || hist) end end end end.
Instance Method Summary collapse
Class Method Details
.extended(obj) ⇒ Object
def HistorySavingAbility.create_finalizer
proc do
if num = IRB.conf and (num = num.to_i) > 0 if hf = IRB.conf 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 || hist) end end
end
end
68 69 70 71 72 73 |
# File 'lib/irb/ext/save-history.rb', line 68 def HistorySavingAbility.extended(obj) # ObjectSpace.define_finalizer(obj, HistorySavingAbility.create_finalizer) IRB.conf[:AT_EXIT].push proc{obj.save_history} obj.load_history obj end |
Instance Method Details
#load_history ⇒ Object
75 76 77 78 79 80 81 82 83 |
# File 'lib/irb/ext/save-history.rb', line 75 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 |
#save_history ⇒ Object
85 86 87 88 89 90 91 92 93 94 95 96 |
# File 'lib/irb/ext/save-history.rb', line 85 def save_history if num = IRB.conf[:SAVE_HISTORY] and (num = num.to_i) > 0 if history_file = IRB.conf[:HISTORY_FILE] history_file = File.(history_file) end history_file = IRB.rc_file("_history") unless history_file open(history_file, 'w' ) do |f| hist = HISTORY.to_a f.puts(hist[-num..-1] || hist) end end end |