(command.CommandList
  children: [
    (command.ShAssignment
      left: <Id.Lit_VarLike 'indent_level='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'indent_level='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'indent_level='> name:indent_level)
          op: assign_op.Equal
          rhs: {(DQ <-1>)}
        )
      ]
      redirects: []
    )
    (command.ShFunction
      name_tok: <print_indent>
      name: print_indent
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.ForEach
              keyword: <Id.KW_For for>
              iter_names: [NUM]
              iterable: 
                (for_iter.Words
                  words: [
                    {
                      (CommandSub
                        left_token: <Id.Left_Backtick '`'>
                        child: 
                          (command.Simple
                            blame_tok: <seq>
                            more_env: []
                            words: [{<seq>} {<0>} {($ Id.VSub_DollarName indent_level)}]
                            redirects: []
                            do_fork: T
                          )
                        right: <Id.Backtick_Right '`'>
                      )
                    }
                  ]
                )
              semi_tok: <Id.Op_Semi _>
              body: 
                (command.DoGroup
                  left: <Id.KW_Do do>
                  children: [
                    (command.Sentence
                      child: 
                        (command.Simple
                          blame_tok: <echo>
                          more_env: []
                          words: [{<echo>} {<-ne>} {(SQ <'    '>)}]
                          redirects: []
                          do_fork: T
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  right: <Id.KW_Done done>
                )
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.WhileUntil
      keyword: <Id.KW_While while>
      cond: 
        (condition.Shell
          commands: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <read>
                  more_env: []
                  words: [{<read>} {<line>}]
                  redirects: []
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
          ]
        )
      body: 
        (command.DoGroup
          left: <Id.KW_Do do>
          children: [
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{(DQ ($ Id.VSub_DollarName line))})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <Id.Op_LParen _>
                  pattern: 
                    (pat.Words
                      words: [
                        {(SQ <'('>) <Id.Lit_Star '*'> (SQ <')'>)}
                        {(SQ <'<'>) <Id.Lit_Star '*'> (SQ <'>'>)}
                      ]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.Simple
                      blame_tok: <print_indent>
                      more_env: []
                      words: [{<print_indent>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ ($ Id.VSub_DollarName line))}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Op_LParen _>
                  pattern: (pat.Words words:[{(SQ <'>'>)} {(SQ <')'>)}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'indent_level='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'indent_level='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'indent_level='>
                              name: indent_level
                            )
                          op: assign_op.Equal
                          rhs: 
                            {
                              (word_part.ArithSub
                                left: <Id.Left_DollarDParen '$(('>
                                anode: 
                                  (arith_expr.Binary
                                    op_id: Id.Arith_Minus
                                    left: {($ Id.VSub_DollarName indent_level)}
                                    right: {<Id.Lit_Digits 1>}
                                  )
                                right: <Id.Right_DollarDParen _>
                              )
                            }
                        )
                      ]
                      redirects: []
                    )
                    (command.Simple
                      blame_tok: <print_indent>
                      more_env: []
                      words: [{<print_indent>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ ($ Id.VSub_DollarName line))}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Op_LParen _>
                  pattern: 
                    (pat.Words
                      words: [{<Id.Lit_Star '*'> (SQ <'>'>)} {<Id.Lit_Star '*'> (SQ <')'>)}]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.Simple
                      blame_tok: <print_indent>
                      more_env: []
                      words: [{<print_indent>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Pipeline
                      children: [
                        (command.Simple
                          blame_tok: <echo>
                          more_env: []
                          words: [{<echo>} {(DQ ($ Id.VSub_DollarName line))}]
                          redirects: []
                          do_fork: T
                        )
                        (command.Simple
                          blame_tok: <sed>
                          more_env: []
                          words: [{<sed>} {(SQ <'s/[)>]$//'>)}]
                          redirects: []
                          do_fork: T
                        )
                      ]
                      ops: [<Id.Op_Pipe _>]
                    )
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'indent_level='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'indent_level='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'indent_level='>
                              name: indent_level
                            )
                          op: assign_op.Equal
                          rhs: 
                            {
                              (word_part.ArithSub
                                left: <Id.Left_DollarDParen '$(('>
                                anode: 
                                  (arith_expr.Binary
                                    op_id: Id.Arith_Minus
                                    left: {($ Id.VSub_DollarName indent_level)}
                                    right: {<Id.Lit_Digits 1>}
                                  )
                                right: <Id.Right_DollarDParen _>
                              )
                            }
                        )
                      ]
                      redirects: []
                    )
                    (command.Simple
                      blame_tok: <print_indent>
                      more_env: []
                      words: [{<print_indent>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [
                        {<echo>}
                        {
                          (CommandSub
                            left_token: <Id.Left_DollarParen '$('>
                            child: 
                              (command.Pipeline
                                children: [
                                  (command.Simple
                                    blame_tok: <echo>
                                    more_env: []
                                    words: [{<echo>} {(DQ ($ Id.VSub_DollarName line))}]
                                    redirects: []
                                    do_fork: T
                                  )
                                  (command.Simple
                                    blame_tok: <tail>
                                    more_env: []
                                    words: [{<tail>} {<-c2>}]
                                    redirects: []
                                    do_fork: T
                                  )
                                ]
                                ops: [<Id.Op_Pipe _>]
                              )
                            right: <Id.Eof_RParen _>
                          )
                        }
                      ]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Op_LParen _>
                  pattern: 
                    (pat.Words
                      words: [{(SQ <'<'>) <Id.Lit_Star '*'>} {(SQ <'('>) <Id.Lit_Star '*'>}]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.Simple
                      blame_tok: <print_indent>
                      more_env: []
                      words: [{<print_indent>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'indent_level='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'indent_level='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'indent_level='>
                              name: indent_level
                            )
                          op: assign_op.Equal
                          rhs: 
                            {
                              (word_part.ArithSub
                                left: <Id.Left_DollarDParen '$(('>
                                anode: 
                                  (arith_expr.Binary
                                    op_id: Id.Arith_Plus
                                    left: {($ Id.VSub_DollarName indent_level)}
                                    right: {<Id.Lit_Digits 1>}
                                  )
                                right: <Id.Right_DollarDParen _>
                              )
                            }
                        )
                      ]
                      redirects: []
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ ($ Id.VSub_DollarName line))}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Op_LParen _>
                  pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.Simple
                      blame_tok: <print_indent>
                      more_env: []
                      words: [{<print_indent>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ ($ Id.VSub_DollarName line))}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
          ]
          right: <Id.KW_Done done>
        )
      redirects: [
        (Redir
          op: <Id.Redir_TLess '<<<'>
          loc: (redir_loc.Fd fd:0)
          arg: 
            {
              (DQ 
                (CommandSub
                  left_token: <Id.Left_DollarParen '$('>
                  child: 
                    (command.Pipeline
                      children: [
                        (command.Simple
                          blame_tok: <sed>
                          more_env: []
                          words: [{<sed>} {(SQ <'s/</\\n</g'>)}]
                          redirects: []
                          do_fork: T
                        )
                        (command.Simple
                          blame_tok: <sed>
                          more_env: []
                          words: [{<sed>} {(SQ <'s/>/>\\n/g'>)}]
                          redirects: []
                          do_fork: T
                        )
                        (command.Simple
                          blame_tok: <sed>
                          more_env: []
                          words: [{<sed>} {(SQ <'s/,/,\\n/g'>)}]
                          redirects: []
                          do_fork: T
                        )
                      ]
                      ops: [<Id.Op_Pipe _> <Id.Op_Pipe _>]
                    )
                  right: <Id.Eof_RParen _>
                )
              )
            }
        )
      ]
    )
  ]
)