def recursive_search glob="**/*"
      @command = Proc.new {|str| Dir.glob(glob).select do |p| p.index str; end }
    end
def recursive_search glob="**/*"
      @command = Proc.new {|str| Dir.glob(glob).select do |p| p.index str; end }
    end
a default proc to requery data based on glob supplied and the pattern user enters