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davorb/gist:1302874

Created October 21, 2011 01:22
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gistfile1.txt
ruby-1.9.3-rc1 :001 > @proc = lambda { ScratchPad.record :proc_trap }
=> #<Proc:0x8eb361c@(irb):1 (lambda)>
ruby-1.9.3-rc1 :002 > @saved_trap = Signal.trap(:HUP, @proc)
=> "DEFAULT"
ruby-1.9.3-rc1 :003 > Signal.trap :HUP, nil
=> #<Proc:0x8eb361c@(irb):1 (lambda)>
ruby-1.9.3-rc1 :004 > Signal.trap(:HUP, @saved_trap)
=> nil
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