(command.CommandList
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    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:config_os)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number '$1')}
          spids: [4]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:config_release)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number '$2')}
          spids: [7]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:uname_machine)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number '$3')}
          spids: [10]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:uname_sysname)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_Backtick '`'>
                command_list: 
                  (command.CommandList
                    children: [
                      (command.Pipeline
                        children: [
                          (C {<echo>} {($ Id.VSub_DollarName '$config_os')})
                          (C {<sed>} {(SQ <'s/[0-9.]*$//'>)})
                        ]
                        negated: F
                      )
                    ]
                  )
              )
            }
          spids: [14]
        )
      ]
    )
    (command.If
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        (if_arm
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            (command.Sentence
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                )
              terminator: <Id.Op_Semi _>
            )
          ]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:config_release)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_Backtick '`'>
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.Pipeline
                                children: [
                                  (C {<echo>} {($ Id.VSub_DollarName '$config_os')})
                                  (C {<sed>} {<s/> ($ Id.VSub_DollarName '$uname_sysname') <//>})
                                ]
                                negated: F
                              )
                            ]
                          )
                      )
                    }
                  spids: [46]
                )
              ]
            )
          ]
          spids: [31 43]
        )
      ]
    )
    (command.If
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        (if_arm
          cond: [(command.Sentence child:(C {<test>} {<-r>} {</vmunix>}) terminator:<Id.Op_Semi _>)]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:kernel_id)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_Backtick '`'>
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.Pipeline
                                children: [(C {<strings>} {</vmunix>}) (C {<grep>} {<UNIX>})]
                                negated: F
                              )
                            ]
                          )
                      )
                    }
                  spids: [78]
                )
              ]
            )
          ]
          spids: [66 75]
        )
        (if_arm
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          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:kernel_id)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_Backtick '`'>
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.Pipeline
                                children: [(C {<strings>} {</dynix>}) (C {<grep>} {<DYNIX>})]
                                negated: F
                              )
                            ]
                          )
                      )
                    }
                  spids: [105]
                )
              ]
            )
          ]
          spids: [93 102]
        )
      ]
      else_action: [
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:kernel_id)
              op: assign_op.Equal
              rhs: (word.Empty)
              spids: [123]
            )
          ]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:kernel_release)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_Backtick '`'>
                command_list: 
                  (command.CommandList
                    children: [
                      (command.Pipeline
                        children: [
                          (C {<echo>} {(DQ ($ Id.VSub_DollarName '$kernel_id'))})
                          (C {<sed>} {(SQ <'s/^[^0-9.]*\\([0-9.]*\\).*$/\\1/'>)})
                        ]
                        negated: F
                      )
                    ]
                  )
              )
            }
          spids: [128]
        )
      ]
    )
    (command.If
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        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {<test>} 
                  {<x> 
                    (command_sub
                      left_token: <Id.Left_Backtick '`'>
                      command_list: 
                        (command.CommandList
                          children: [
                            (command.Pipeline
                              children: [
                                (C {<echo>} {(DQ ($ Id.VSub_DollarName '$config_release'))})
                                (C {<sed>} {(DQ <'s/^'> ($ Id.VSub_DollarName '$kernel_release') <//>)})
                              ]
                              negated: F
                            )
                          ]
                        )
                    )
                  } {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {<x> ($ Id.VSub_DollarName '$config_release')}
                )
              terminator: <Id.Op_Semi _>
            )
          ]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:uname_release)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_DollarName '$kernel_release')}
                  spids: [194]
                )
              ]
            )
          ]
          spids: [153 187]
        )
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {<test>} {<x> ($ Id.VSub_DollarName '$config_release')} 
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                )
              terminator: <Id.Op_Semi _>
            )
          ]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:uname_release)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_DollarName '$config_release')}
                  spids: [213]
                )
              ]
            )
          ]
          spids: [197 210]
        )
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {<test>} {<x> ($ Id.VSub_DollarName '$kernel_release')} 
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                )
              terminator: <Id.Op_Semi _>
            )
          ]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:uname_release)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_DollarName '$kernel_release')}
                  spids: [232]
                )
              ]
            )
          ]
          spids: [216 229]
        )
      ]
      else_action: [
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:uname_release)
              op: assign_op.Equal
              rhs: {<unknown>}
              spids: [238]
            )
          ]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:kernel_version)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_Backtick '`'>
                command_list: 
                  (command.CommandList
                    children: [
                      (command.Pipeline
                        children: [
                          (C {<echo>} {(DQ ($ Id.VSub_DollarName '$kernel_id'))})
                          (C {<sed>} {(SQ <'s/^[^#]*#\\([0-9]*\\).*$/\\1/'>)})
                        ]
                        negated: F
                      )
                    ]
                  )
              )
            }
          spids: [244]
        )
      ]
    )
    (command.If
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        (if_arm
          cond: [
            (command.Sentence
              child: (C {<test>} {<-n>} {(DQ ($ Id.VSub_DollarName '$kernel_version'))})
              terminator: <Id.Op_Semi _>
            )
          ]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:uname_version)
                  op: assign_op.Equal
                  rhs: {(DQ ($ Id.VSub_DollarName '$kernel_version'))}
                  spids: [283]
                )
              ]
            )
          ]
          spids: [269 280]
        )
      ]
      else_action: [
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:uname_version)
              op: assign_op.Equal
              rhs: {<unknown>}
              spids: [291]
            )
          ]
        )
      ]
    )
    (command.Simple
      words: [{<cat>}]
      redirects: [
        (redir.HereDoc
          op: <Id.Redir_DLess '<<'>
          fd: -1
          here_begin: {<EOF>}
          here_end_span_id: 330
          stdin_parts: [
            <'/* This file is generated by '>
            ($ Id.VSub_Number '$0')
            <'.  DO NOT EDIT.\n'>
            <'\n'>
            <'   This is used only by the generic uname function for systems with no real\n'>
            <'   uname call.  If this data is not correct, it does not matter much.  */\n'>
            <'\n'>
            <'#define UNAME_SYSNAME '>
            <Id.Right_DoubleQuote '"'>
            ($ Id.VSub_DollarName '$uname_sysname')
            <Id.Right_DoubleQuote '"'>
            <'\n'>
            <'#define UNAME_RELEASE '>
            <Id.Right_DoubleQuote '"'>
            ($ Id.VSub_DollarName '$uname_release')
            <Id.Right_DoubleQuote '"'>
            <'\n'>
            <'#define UNAME_VERSION '>
            <Id.Right_DoubleQuote '"'>
            ($ Id.VSub_DollarName '$uname_version')
            <Id.Right_DoubleQuote '"'>
            <'\n'>
            <'#define UNAME_MACHINE '>
            <Id.Right_DoubleQuote '"'>
            ($ Id.VSub_DollarName '$uname_machine')
            <Id.Right_DoubleQuote '"'>
            <'\n'>
          ]
        )
      ]
    )
  ]
)