(CommandList
  children: [
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: (C {(Lit_Other '[')} {($ VSub_Pound '$#')} {(-ne)} {(3)} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (SimpleCommand
              words: [
                {(echo)}
                {
                  (DQ ('Usage: ') 
                    (CommandSubPart
                      command_list: (CommandList children:[(C {(basename)} {($ VSub_Number '$0')})])
                      left_token: <Left_CommandSub '$('>
                      spids: [28 32]
                    ) (' mon day year')
                  )
                }
              ]
              redirects: [(Redir op:<Redir_GreatAnd '>&'> fd:16777215 arg_word:{(2)})]
            )
            (SimpleCommand
              words: [{(echo)} {(DQ ('  with just numerical values (ex: 7 7 1776)'))}]
              redirects: [(Redir op:<Redir_GreatAnd '>&'> fd:16777215 arg_word:{(2)})]
            )
            (ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
          spids: [16777215 21]
        )
      ]
      spids: [16777215 54]
    )
    (SimpleCommand
      words: [{(date)} {(--version)}]
      redirects: [
        (Redir op:<Redir_Great '>'> fd:16777215 arg_word:{(/dev/null)})
        (Redir op:<Redir_GreatAnd '2>&'> fd:2 arg_word:{(1)})
      ]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:baddate)
          op: Equal
          rhs: {(DQ ($ VSub_QMark '$?'))}
          spids: [71]
        )
      ]
      spids: [71]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: (C {(Lit_Other '[')} {(KW_Bang '!')} {($ VSub_Name '$baddate')} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (C {(date)} {(-d)} {($ VSub_Number '$1') (/) ($ VSub_Number '$2') (/) ($ VSub_Number '$3')} 
              {(Lit_Other '+') (DQ ('That was a %A.'))}
            )
          ]
          spids: [16777215 92]
        )
      ]
      else_action: [
        (If
          arms: [
            (if_arm
              cond: [
                (Sentence
                  child: (C {(Lit_Other '[')} {($ VSub_Number '$2')} {(-lt)} {(10)} {(Lit_Other ']')})
                  terminator: <Op_Semi ';'>
                )
              ]
              action: [
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:pattern)
                      op: Equal
                      rhs: {(DQ (' ') ($ VSub_Number '$2') ('[^0-9]'))}
                      spids: [131]
                    )
                  ]
                  spids: [131]
                )
              ]
              spids: [16777215 128]
            )
          ]
          else_action: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:pattern)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number '$2') ('[^0-9]'))}
                  spids: [142]
                )
              ]
              spids: [142]
            )
          ]
          spids: [139 149]
        )
        (Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (LhsName name:dayofweek)
              op: Equal
              rhs: 
                {
                  (DQ 
                    (CommandSubPart
                      command_list: 
                        (CommandList
                          children: [
                            (Pipeline
                              children: [
                                (C {(ncal)} {($ VSub_Number '$1')} {($ VSub_Number '$3')})
                                (C {(grep)} {(DQ ($ VSub_Name '$pattern'))})
                                (C {(cut)} {(-c1-2)})
                              ]
                              negated: F
                            )
                          ]
                        )
                      left_token: <Left_CommandSub '$('>
                      spids: [155 175]
                    )
                  )
                }
              spids: [153]
            )
          ]
          spids: [153]
        )
        (Case
          to_match: {($ VSub_Name '$dayofweek')}
          arms: [
            (case_arm
              pat_list: [{(Su)}]
              action: [
                (Sentence
                  child: (C {(echo)} {(DQ ('That was a Sunday'))})
                  terminator: <Op_Semi ';'>
                )
              ]
              spids: [188 190 199 16777215]
            )
            (case_arm
              pat_list: [{(Mo)}]
              action: [
                (Sentence
                  child: (C {(echo)} {(DQ ('That was a Monday'))})
                  terminator: <Op_Semi ';'>
                )
              ]
              spids: [202 204 213 16777215]
            )
            (case_arm
              pat_list: [{(Tu)}]
              action: [
                (Sentence
                  child: (C {(echo)} {(DQ ('That was a Tuesday'))})
                  terminator: <Op_Semi ';'>
                )
              ]
              spids: [216 218 227 16777215]
            )
            (case_arm
              pat_list: [{(We)}]
              action: [
                (Sentence
                  child: (C {(echo)} {(DQ ('That was a Wednesday'))})
                  terminator: <Op_Semi ';'>
                )
              ]
              spids: [230 232 241 16777215]
            )
            (case_arm
              pat_list: [{(Th)}]
              action: [
                (Sentence
                  child: (C {(echo)} {(DQ ('That was a Thursday'))})
                  terminator: <Op_Semi ';'>
                )
              ]
              spids: [244 246 255 16777215]
            )
            (case_arm
              pat_list: [{(Fr)}]
              action: [
                (Sentence
                  child: (C {(echo)} {(DQ ('That was a Friday'))})
                  terminator: <Op_Semi ';'>
                )
              ]
              spids: [258 260 269 16777215]
            )
            (case_arm
              pat_list: [{(Sa)}]
              action: [
                (Sentence
                  child: (C {(echo)} {(DQ ('That was a Saturday'))})
                  terminator: <Op_Semi ';'>
                )
              ]
              spids: [272 274 283 16777215]
            )
          ]
          spids: [180 184 286]
        )
      ]
      spids: [110 288]
    )
    (ControlFlow token:<ControlFlow_Exit exit> arg_word:{(0)})
  ]
)