shift command

    (A) Function
        Shifting the index of an argument passed to a script. 

    (B) Format

        shift  [ <n> ]

    (C) Parameter
       <n>
          This setting discards first <n> arguments and thus 
          labels the n+1th argument as the 1st argument. 
          If this parameter is not specified, n is interpreted as 1.

    (D) Note

    (E) Related items
        listen command
        eval command