oil AST

(command.CommandList
  children: [
    (C {(echo)} {(DQ ('Content-type: text/html'))})
    (C {(echo)} {(DQ )})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:header)
          op: assign_op.Equal
          rhs: {(DQ (header.html))}
          spids: [18]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:footer)
          op: assign_op.Equal
          rhs: {(DQ (footer.html))}
          spids: [23]
        )
      ]
    )
    (command.ShAssignment
      pairs: [(assign_pair lhs:(sh_lhs_expr.Name name:count) op:assign_op.Equal rhs:{(0)} spids:[28])]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {(-f)} {($ Id.VSub_DollarName '$header')} 
                  {(Id.Lit_RBracket ']')}
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:42)
            )
          ]
          action: [(C {(cat)} {($ Id.VSub_DollarName '$header')})]
          spids: [32 44]
        )
      ]
      else_action: [
        (C {(echo)} {(DQ ("<html><body bgcolor='white' link='#666666' vlink='#999999'><center>"))})
      ]
    )
    (C {(echo)} {(DQ ("<table cellpadding='3' cellspacing='5'>"))})
    (command.ForEach
      iter_name: name
      iter_words: [
        {
          (command_sub
            left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:76)
            command_list: 
              (command.CommandList
                children: [
                  (command.Pipeline
                    children: [
                      (C {(file)} {(/var/www/html/) (Id.Lit_Star '*')})
                      (C {(grep)} {(image)})
                      (C {(cut)} {(-d) (Id.Lit_Other ':')} {(-f1)})
                    ]
                    negated: F
                  )
                ]
              )
          )
        }
      ]
      do_arg_iter: F
      body: 
        (command.DoGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:name)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: (Token id:Id.Left_Backtick val:'`' span_id:102)
                        command_list: 
                          (command.CommandList
                            children: [(C {(basename)} {($ Id.VSub_DollarName '$name')})]
                          )
                      )
                    }
                  spids: [101]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (C {(Id.Lit_LBracket '[')} {($ Id.VSub_DollarName '$count')} {(-eq)} {(4)} 
                          {(Id.Lit_RBracket ']')}
                        )
                      terminator: (Token id:Id.Op_Semi val:';' span_id:123)
                    )
                  ]
                  action: [
                    (C {(echo)} {(DQ ("</td></tr><tr><td align='center'>"))})
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:count)
                          op: assign_op.Equal
                          rhs: {(1)}
                          spids: [135]
                        )
                      ]
                    )
                  ]
                  spids: [111 125]
                )
              ]
              else_action: [
                (C {(echo)} {(DQ ("</td><td align='center'>"))})
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:count)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (word_part.ArithSub
                            anode: 
                              (arith_expr.Binary
                                op_id: Id.Arith_Plus
                                left: (arith_expr.ArithWord w:{($ Id.VSub_DollarName '$count')})
                                right: (arith_expr.ArithWord w:{(Id.Lit_Digits 1)})
                              )
                          )
                        }
                      spids: [149]
                    )
                  ]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:nicename)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ 
                        (command_sub
                          left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:168)
                          command_list: 
                            (command.CommandList
                              children: [
                                (command.Pipeline
                                  children: [
                                    (C {(echo)} {($ Id.VSub_DollarName '$name')})
                                    (C {(sed)} 
                                      {
                                        (SQ 
                                          (Token
                                            id: Id.Lit_Chars
                                            val: 's/.jpg//;s/-/ /g'
                                            span_id: 178
                                          )
                                        )
                                      }
                                    )
                                  ]
                                  negated: F
                                )
                              ]
                            )
                        )
                      )
                    }
                  spids: [166]
                )
              ]
            )
            (C {(echo)} 
              {
                (DQ ("<a href='../") ($ Id.VSub_DollarName '$name') 
                  ("' target=_new><img style='padding:2px'")
                )
              }
            )
            (C {(echo)} 
              {
                (DQ ("src='../") ($ Id.VSub_DollarName '$name') 
                  ("' height='200' width='200' border='1'></a><BR>")
                )
              }
            )
            (C {(echo)} 
              {(DQ ("<span style='font-size: 80%'>") ($ Id.VSub_DollarName '$nicename') ('</span>'))}
            )
          ]
        )
    )
    (C {(echo)} {(DQ ('</td></tr></table>'))})
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {(-f)} {($ Id.VSub_DollarName '$footer')} 
                  {(Id.Lit_RBracket ']')}
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:231)
            )
          ]
          action: [(C {(cat)} {($ Id.VSub_DollarName '$footer')})]
          spids: [221 233]
        )
      ]
      else_action: [(C {(echo)} {(DQ ('</center></body></html>'))})]
    )
    (command.ControlFlow token:(Token id:Id.ControlFlow_Exit val:exit span_id:252) arg_word:{(0)})
  ]
)