(command.CommandList
  children: [
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (C {(./test-fseeko4) (${ Id.VSub_Name EXEEXT)} 
          {(DQ ($ Id.VSub_DollarName '$srcdir') (/test-fseeko4.sh))}
        )
        (command.ControlFlow
          token: (Token id:Id.ControlFlow_Exit val:exit span_id:16)
          arg_word: {(1)}
        )
      ]
    )
    (command.ControlFlow token:(Token id:Id.ControlFlow_Exit val:exit span_id:21) arg_word:{(0)})
  ]
)