(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:tmpfiles)
          op: assign_op.Equal
          rhs: (word.Empty)
          spids: [4]
        )
      ]
    )
    (C {<trap>} {(SQ <'rm -fr $tmpfiles'>)} {<1>} {<2>} {<3>} {<15>})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:tmpfiles)
          op: assign_op.Equal
          rhs: {<t-lseek.tmp>}
          spids: [21]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (command.Simple
          words: [{<'./test-lseek'> (${ Id.VSub_Name EXEEXT)} {<0>}]
          redirects: [
            (redir
              op: <Id.Redir_Less '<'>
              loc: (redir_loc.Fd fd:0)
              arg: {(DQ ($ Id.VSub_DollarName '$srcdir') <'/test-lseek.sh'>)}
            )
            (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<t-lseek.tmp>})
          ]
          do_fork: T
        )
        (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
      ]
    )
    (command.Pipeline
      children: [
        (C {<echo>} {<hi>})
        (BraceGroup
          children: [
            (command.Sentence
              child: (C {<'./test-lseek'> (${ Id.VSub_Name EXEEXT)} {<1>})
              terminator: <Id.Op_Semi _>
            )
            (command.Sentence
              child: 
                (command.Simple
                  words: [{<echo>} {($ Id.VSub_QMark '$?')}]
                  redirects: [
                    (redir
                      op: <Id.Redir_Great '>'>
                      loc: (redir_loc.Fd fd:1)
                      arg: {<t-lseek.tmp>}
                    )
                  ]
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
            (command.Sentence
              child: 
                (command.Simple
                  words: [{<cat>}]
                  redirects: [
                    (redir
                      op: <Id.Redir_Great '>'>
                      loc: (redir_loc.Fd fd:1)
                      arg: {<'/dev/null'>}
                    )
                  ]
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
          ]
        )
        (C {<cat>})
      ]
      negated: F
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (C {<test>} 
          {(DQ (command_sub left_token:<Id.Left_Backtick '`'> child:(C {<cat>} {<t-lseek.tmp>})))} {<Id.Lit_Equals '='>} {(DQ <0>)}
        )
        (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (command.Simple
          words: [{<'./test-lseek'> (${ Id.VSub_Name EXEEXT)} {<2>}]
          redirects: [
            (redir op:<Id.Redir_LessAnd '<&'> loc:(redir_loc.Fd fd:0) arg:{<->})
            (redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<->})
          ]
          do_fork: T
        )
        (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
      ]
    )
    (C {<rm>} {<-rf>} {($ Id.VSub_DollarName '$tmpfiles')})
    (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<0>})
  ]
)