Module: IRB::HistorySavingAbility
- Defined in:
- lib/irb/ext/save-history.rb,
lib/irb/ext/save-history.rb
Overview
:nodoc:
Class Method Summary collapse
Instance Method Summary collapse
Class Method Details
.extended(obj) ⇒ Object
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# File 'lib/irb/ext/save-history.rb', line 59 def HistorySavingAbility.extended(obj) IRB.conf[:AT_EXIT].push proc{obj.save_history} obj.load_history obj end |
Instance Method Details
#load_history ⇒ Object
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# File 'lib/irb/ext/save-history.rb', line 65 def load_history return unless self.class.const_defined?(:HISTORY) history = self.class::HISTORY if history_file = IRB.conf[:HISTORY_FILE] history_file = File.(history_file) end history_file = IRB.rc_file("_history") unless history_file if File.exist?(history_file) open(history_file, "r:#{IRB.conf[:LC_MESSAGES].encoding}") do |f| f.each { |l| l = l.chomp if self.class == ReidlineInputMethod and history.last&.end_with?("\\") history.last.delete_suffix!("\\") history.last << "\n" << l else history << l end } end end end |
#save_history ⇒ Object
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# File 'lib/irb/ext/save-history.rb', line 87 def save_history return unless self.class.const_defined?(:HISTORY) history = self.class::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 # Change the permission of a file that already exists[BUG #7694] begin if File.stat(history_file).mode & 066 != 0 File.chmod(0600, history_file) end rescue Errno::ENOENT rescue Errno::EPERM return rescue raise end open(history_file, "w:#{IRB.conf[:LC_MESSAGES].encoding}", 0600) do |f| hist = history.map{ |l| l.split("\n").join("\\\n") } begin hist = hist.last(num) if hist.size > num and num > 0 rescue RangeError # bignum too big to convert into `long' # Do nothing because the bignum should be treated as inifinity end f.puts(hist) end end end |