(command.CommandList
  children: [
    (C {(Id.KW_Set set)} {(-e)})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:std)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number '$1')}
          spids: [54]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:CC)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number '$2')}
          spids: [57]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:expected_list)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number '$3')}
          spids: [60]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:all_data_files)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number '$4')}
          spids: [63]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:new_list)
          op: assign_op.Equal
          rhs: (word.Empty)
          spids: [67]
        )
      ]
    )
    (command.ForEach
      iter_name: f
      iter_words: [{($ Id.VSub_DollarName '$all_data_files')}]
      do_arg_iter: F
      body: 
        (command.DoGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:h)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (braced_var_sub
                        token: (Token id:Id.VSub_Name val:f span_id:84)
                        suffix_op: 
                          (suffix_op.Unary
                            op_id: Id.VOp1_Pound
                            arg_word: {(data) (Id.Lit_Slash /)}
                          )
                      )
                    }
                  spids: [82]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:h)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (braced_var_sub
                        token: (Token id:Id.VSub_Name val:h span_id:93)
                        suffix_op: (suffix_op.Unary op_id:Id.VOp1_Percent arg_word:{(-data)})
                      )
                    }
                  spids: [91]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:exp)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:100)
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.Pipeline
                                children: [
                                  (C {($ Id.VSub_DollarName '$CC')} 
                                    {(-D) ($ Id.VSub_DollarName '$std')} {(-x)} {(c)} {(-E)} {($ Id.VSub_DollarName '$f')}
                                  )
                                  (C {(sed)} {(-e)} 
                                    {(SQ (Token id:Id.Lit_Chars val:'/^#/d' span_id:121))} {(-e)} {(SQ (Token id:Id.Lit_Chars val:'/^[ \t]*$/d' span_id:127))}
                                  )
                                ]
                                negated: F
                              )
                            ]
                          )
                      )
                    }
                  spids: [99]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$exp'))} 
                          {(Id.Lit_RBracket ']')}
                        )
                      terminator: (Token id:Id.Op_Semi val:';' span_id:141)
                    )
                  ]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:new_list)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ ($ Id.VSub_DollarName '$new_list') (' ') ($ Id.VSub_DollarName '$h'))
                            }
                          spids: [146]
                        )
                      ]
                    )
                  ]
                  spids: [132 143]
                )
              ]
            )
          ]
        )
    )
    (C {(echo)} 
      {
        (DQ ('Headers with expectations for ') ($ Id.VSub_DollarName '$std') (': ') 
          ($ Id.VSub_DollarName '$new_list')
        )
      }
    )
    (C {(echo)} {(DQ ('Expected list: ') ($ Id.VSub_DollarName '$expected_list'))})
    (command.ShAssignment
      pairs: [(assign_pair lhs:(sh_lhs_expr.Name name:rc) op:assign_op.Equal rhs:{(0)} spids:[176])]
    )
    (command.ForEach
      iter_name: h
      iter_words: [{($ Id.VSub_DollarName '$expected_list')}]
      do_arg_iter: F
      body: 
        (command.DoGroup
          children: [
            (command.Case
              to_match: {(DQ (' ') ($ Id.VSub_DollarName '$new_list') (' '))}
              arms: [
                (case_arm
                  pat_list: [
                    {(Id.Lit_Star '*') (DQ (' ') ($ Id.VSub_DollarName '$h') (' ')) (Id.Lit_Star '*')}
                  ]
                  spids: [203 211 214 -1]
                )
                (case_arm
                  pat_list: [{(Id.Lit_Star '*')}]
                  action: [
                    (C {(echo)} {(DQ ('Missing expectations for ') ($ Id.VSub_DollarName '$h') (.))})
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:rc)
                          op: assign_op.Equal
                          rhs: {(1)}
                          spids: [231]
                        )
                      ]
                    )
                  ]
                  spids: [217 219 235 -1]
                )
              ]
            )
          ]
        )
    )
    (command.ForEach
      iter_name: h
      iter_words: [{($ Id.VSub_DollarName '$new_list')}]
      do_arg_iter: F
      body: 
        (command.DoGroup
          children: [
            (command.Case
              to_match: {(DQ (' ') ($ Id.VSub_DollarName '$expected_list') (' '))}
              arms: [
                (case_arm
                  pat_list: [
                    {(Id.Lit_Star '*') (DQ (' ') ($ Id.VSub_DollarName '$h') (' ')) (Id.Lit_Star '*')}
                  ]
                  spids: [266 274 277 -1]
                )
                (case_arm
                  pat_list: [{(Id.Lit_Star '*')}]
                  action: [
                    (C {(echo)} {(DQ ('Spurious expectations for ') ($ Id.VSub_DollarName '$h') (.))})
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:rc)
                          op: assign_op.Equal
                          rhs: {(1)}
                          spids: [294]
                        )
                      ]
                    )
                  ]
                  spids: [280 282 298 -1]
                )
              ]
            )
          ]
        )
    )
    (command.ControlFlow
      token: (Token id:Id.ControlFlow_Exit val:exit span_id:306)
      arg_word: {($ Id.VSub_DollarName '$rc')}
    )
  ]
)