(command.CommandList
  children: [
    (command.Simple
      blame_tok: <Id.Lit_Colon ':'>
      more_env: []
      words: [{<Id.Lit_Colon ':'>} {<tw>} {<Id.Lit_Other '+'>} {<pax>} {<Id.KW_For for>} {<backup>}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'command='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'command='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'command='> name:command)
          op: assign_op.Equal
          rhs: {<bax>}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'customize='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'customize='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'customize='> name:customize)
          op: assign_op.Equal
          rhs: {<'../lib/'> (${ Id.VSub_Name command) <'/init'>}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'root='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'root='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'root='> name:root)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
        (AssignPair
          left: <Id.Lit_VarLike 'arch_name='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'arch_name='> name:arch_name)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
        (AssignPair
          left: <Id.Lit_VarLike 'arch_keep='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'arch_keep='> name:arch_keep)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
        (AssignPair
          left: <Id.Lit_VarLike 'big_size='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'big_size='> name:big_size)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
        (AssignPair
          left: <Id.Lit_VarLike 'big_magic_keep='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'big_magic_keep='> name:big_magic_keep)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'name_skip='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'name_skip='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'name_skip='> name:name_skip)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
        (AssignPair
          left: <Id.Lit_VarLike 'path_skip='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'path_skip='> name:path_skip)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
        (AssignPair
          left: <Id.Lit_VarLike 'reg_magic_skip='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'reg_magic_skip='> name:reg_magic_skip)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
        (AssignPair
          left: <Id.Lit_VarLike 'src_name='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'src_name='> name:src_name)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
        (AssignPair
          left: <Id.Lit_VarLike 'src_magic_skip='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'src_magic_skip='> name:src_magic_skip)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'ifs='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'ifs='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'ifs='> name:ifs)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name IFS>
                var_name: IFS
                suffix_op: (suffix_op.Unary op:<Id.VTest_Hyphen _> arg_word:{(SQ <'\n'> <'\t '>)})
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'IFS='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'IFS='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'IFS='> name:IFS)
          op: assign_op.Equal
          rhs: {<Id.Lit_Colon ':'>}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'path='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'path='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'path='> name:path)
          op: assign_op.Equal
          rhs: {($ Id.VSub_DollarName PATH)}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'IFS='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'IFS='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'IFS='> name:IFS)
          op: assign_op.Equal
          rhs: {($ Id.VSub_DollarName ifs)}
        )
      ]
      redirects: []
    )
    (command.ForEach
      keyword: <Id.KW_For for>
      iter_names: [dir]
      iterable: (for_iter.Words words:[{($ Id.VSub_DollarName path)}])
      body: 
        (command.DoGroup
          left: <Id.KW_Do do>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Simple
                          blame_tok: <test>
                          more_env: []
                          words: [
                            {<test>}
                            {<-f>}
                            {($ Id.VSub_DollarName dir) <'/'> ($ Id.VSub_DollarName customize)}
                          ]
                          redirects: []
                          do_fork: T
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <.>
                      more_env: []
                      words: [{<.>} {($ Id.VSub_DollarName dir) <'/'> ($ Id.VSub_DollarName customize)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.ControlFlow keyword:<Id.ControlFlow_Break break>)
                  ]
                  spids: [156 167]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          right: <Id.KW_Done done>
        )
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'root='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'root='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'root='> name:root)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name root>
                var_name: root
                suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{(SQ <'/'>)})
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'arch_name='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'arch_name='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'arch_name='> name:arch_name)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name arch_name>
                var_name: arch_name
                suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{(SQ <arch>)})
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'arch_keep='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'arch_keep='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'arch_keep='> name:arch_keep)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name arch_keep>
                var_name: arch_keep
                suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{(SQ <'bin|fun|lib'>)})
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'big_size='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'big_size='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'big_size='> name:big_size)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name big_size>
                var_name: big_size
                suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{<5000000>})
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'big_magic_keep='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'big_magic_keep='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'big_magic_keep='> name:big_magic_keep)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name big_magic_keep>
                var_name: big_magic_keep
                suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{(SQ <mail>)})
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'name_skip='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'name_skip='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'name_skip='> name:name_skip)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name name_skip>
                var_name: name_skip
                suffix_op: 
                  (suffix_op.Unary
                    op: <Id.VTest_ColonHyphen _>
                    arg_word: {(SQ <'?(*.)(old|save|tmp)?(.*)|.*-cache'>)}
                  )
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'path_skip='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'path_skip='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'path_skip='> name:path_skip)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name path_skip>
                var_name: path_skip
                suffix_op: 
                  (suffix_op.Unary
                    op: <Id.VTest_ColonHyphen _>
                    arg_word: {(SQ <'/dev|/usr/local/ast/ship'>)}
                  )
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'reg_magic_skip='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'reg_magic_skip='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'reg_magic_skip='> name:reg_magic_skip)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name reg_magic_skip>
                var_name: reg_magic_skip
                suffix_op: 
                  (suffix_op.Unary
                    op: <Id.VTest_ColonHyphen _>
                    arg_word: {(SQ <'core|cql * index|history|TeX dvi'>)}
                  )
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'src_name='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'src_name='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'src_name='> name:src_name)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name src_name>
                var_name: src_name
                suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{(SQ <src>)})
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'src_magic_skip='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'src_magic_skip='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'src_magic_skip='> name:src_magic_skip)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name src_magic_skip>
                var_name: src_magic_skip
                suffix_op: 
                  (suffix_op.Unary
                    op: <Id.VTest_ColonHyphen _>
                    arg_word: {(SQ <'executable|object|(archive|shared) library'>)}
                  )
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.Case
      case_kw: <Id.KW_Case case>
      to_match: (case_arg.Word w:{($ Id.VSub_Pound '#')})
      arms_start: <Id.KW_In in>
      arms: [
        (CaseArm
          left: <Id.Lit_LBracket '['>
          pattern: (pat.Words words:[{<Id.Lit_LBracket '['> <01> <Id.Lit_RBracket ']'>}])
          middle: <Id.Right_CasePat _>
          action: [
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {(DQ <'Usage: '> ($ Id.VSub_DollarName command) <' delta base [dir ...]'>)}
              ]
              redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
              do_fork: T
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<2>})
          ]
          right: <Id.Op_DSemi _>
        )
      ]
      arms_end: <Id.KW_Esac esac>
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'delta='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'delta='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'delta='> name:delta)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number 1)}
        )
      ]
      redirects: []
    )
    (command.Simple blame_tok:<shift> more_env:[] words:[{<shift>}] redirects:[] do_fork:T)
    (command.ShAssignment
      left: <Id.Lit_VarLike 'base='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'base='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'base='> name:base)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number 2)}
        )
      ]
      redirects: []
    )
    (command.Simple blame_tok:<shift> more_env:[] words:[{<shift>}] redirects:[] do_fork:T)
    (command.Case
      case_kw: <Id.KW_Case case>
      to_match: (case_arg.Word w:{($ Id.VSub_Pound '#')})
      arms_start: <Id.KW_In in>
      arms: [
        (CaseArm
          left: <0>
          pattern: (pat.Words words:[{<0>}])
          middle: <Id.Right_CasePat _>
          action: [
            (command.Simple
              blame_tok: <set>
              more_env: []
              words: [{<set>} {($ Id.VSub_DollarName root)}]
              redirects: []
              do_fork: T
            )
          ]
          right: <Id.Op_DSemi _>
        )
      ]
      arms_end: <Id.KW_Esac esac>
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'dirs='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'dirs='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'dirs='> name:dirs)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
      ]
      redirects: []
    )
    (command.WhileUntil
      keyword: <Id.KW_While while>
      cond: 
        (condition.Shell
          commands: [
            (command.Simple
              blame_tok: <Id.Lit_Colon ':'>
              more_env: []
              words: [{<Id.Lit_Colon ':'>}]
              redirects: []
              do_fork: T
            )
          ]
        )
      body: 
        (command.DoGroup
          left: <Id.KW_Do do>
          children: [
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{($ Id.VSub_Pound '#')})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <0>
                  pattern: (pat.Words words:[{<0>}])
                  middle: <Id.Right_CasePat _>
                  action: [(command.ControlFlow keyword:<Id.ControlFlow_Break break>)]
                  right: <Id.Op_DSemi _>
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'dirs='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'dirs='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'dirs='> name:dirs)
                  op: assign_op.Equal
                  rhs: {(DQ ($ Id.VSub_DollarName dirs) <' -d '> ($ Id.VSub_Number 1))}
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <shift>
              more_env: []
              words: [{<shift>}]
              redirects: []
              do_fork: T
            )
          ]
          right: <Id.KW_Done done>
        )
      redirects: []
    )
    (command.Pipeline
      children: [
        (command.Simple
          blame_tok: <tw>
          more_env: []
          words: [
            {<tw>}
            {($ Id.VSub_DollarName dirs)}
            {<-mH>}
            {<-e>}
            {
              (DQ <'\n'> <'\n'> <'begin:\tint\tarch_bit = 1;\n'> <'\tint\tsrc_bit = 2;\n'> 
                <'\tchar*\tm;\n'> <'\n'> <'sort:\tname;\n'> <'\n'> <'select:\tif (name == \''> (${ Id.VSub_Name name_skip) <'\')\n'> 
                <'\t\tstatus = SKIP;\n'> <'\telse if (type == REG)\n'> <'\t{\n'> <'\t\tm = magic;\n'> <'\t\tif (size > '> 
                (${ Id.VSub_Name big_size) <' && m != \'*@('> (${ Id.VSub_Name big_magic_keep) <')*\' ||\n'> <'\t\t    m == \'*@('> 
                (${ Id.VSub_Name reg_magic_skip) <')*\' ||\n'> <'\t\t    (parent.local & src_bit) && m == \'*@('> (${ Id.VSub_Name src_magic_skip) 
                <')*\')\n'> <'\t\t\tstatus = SKIP;\n'> <'\t}\n'> <'\telse if (type == DIR)\n'> <'\t{\n'> 
                <'\t\tlocal = (parent.local & src_bit);\n'> <'\t\tif (dev != parent.dev || path == \''> (${ Id.VSub_Name path_skip) 
                <'\' || (parent.parent.local & arch_bit) && name != \''> (${ Id.VSub_Name arch_keep) <'\')\n'> <'\t\t\tstatus = SKIP;\n'> <'\t\telse if (name == \''> 
                (${ Id.VSub_Name arch_name) <'\')\n'> <'\t\t\tlocal |= arch_bit;\n'> <'\t\telse if (name == \''> (${ Id.VSub_Name src_name) <'\')\n'> 
                <'\t\t\tlocal |= src_bit;\n'> <'\t}\n'> <'\treturn 1;\n'>
              )
            }
          ]
          redirects: []
          do_fork: T
        )
        (command.Simple
          blame_tok: <pax>
          more_env: []
          words: [
            {<pax>}
            {<-o>}
            {
              (DQ <'write ordered physical verbose file='> ($ Id.VSub_DollarName delta) <' base='> 
                ($ Id.VSub_DollarName base)
              )
            }
          ]
          redirects: []
          do_fork: T
        )
      ]
      ops: [<Id.Op_Pipe _>]
    )
  ]
)