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module IRB
module ExtendCommand
class Fork<Nop
def execute(&block)
pid = send(ExtendCommand.irb_original_method_name("fork"))
unless pid
class<<self
alias_method :exit, ExtendCommand.irb_original_method_name('exit')
end
if iterator?
begin
yield
ensure
exit
end
end
end
pid
end
end
end
end
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