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Tim Morgan http://timmorgan.org

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.irbrc - tab completion, cross-session history, history file

My own .irbrc file constructed from this and this.

Put this file in your home directory ("C:\Documents and Settings\USERNAME" on Windows)

If on Windows, create an environment variable called HOME and point it to "C:\Documents and Settings\USERNAME".

require 'irb/completion'
ARGV.concat [ "--readline", "--prompt-mode", "simple" ]

module Readline
  module History
    LOG = "#{ENV['HOME']}/.irb-history"

    def self.write_log(line)
      File.open(LOG, 'ab') {|f| f << "#{line}\n"}
    end

    def self.start_session_log
      write_log("\n# session start: #{Time.now}\n\n")
      at_exit { write_log("\n# session stop: #{Time.now}\n") }
    end
  end

  alias :old_readline :readline
  def readline(*args)
    ln = old_readline(*args)
    begin
      History.write_log(ln)
    rescue
    end
    ln
  end
end

Readline::History.start_session_log

require 'irb/ext/save-history'
IRB.conf[:SAVE_HISTORY] = 100
IRB.conf[:HISTORY_FILE] = "#{ENV['HOME']}/.irb-save-history"

IRB.conf[:PROMPT_MODE] = :SIMPLE
to ruby irb by timmorgan on Sep 11, 2006
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