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irbrc

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active_support等をirbでrequireするのが面倒な場合は.irbrcを設置する

vi ~/.irbrc
%w(pp active_support/core_ext tapp).each do |file|
  begin
    require file
  rescue LoadError
    puts $!
  end
end

pp, active_support/core_ext, tappがrequireされた状態でirbが開始されるようになる。

他にも、IRB.confの設定もここで行える
http://www.ruby-lang.org/ja/old-man/html/irb.html

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