(command.CommandList children: [ (C {(source)} { (word_part.CommandSubPart command_list: (command.CommandList children:[(C {(dirname)} {($ VSub_Number '$0')})]) left_token: <Left_CommandSub '$('> spids: [6 10] ) (/reader.sh) } ) (C {(source)} { (word_part.CommandSubPart command_list: (command.CommandList children:[(C {(dirname)} {($ VSub_Number '$0')})]) left_token: <Left_CommandSub '$('> spids: [15 19] ) (/printer.sh) } ) (command.FuncDef name: READ body: (command.BraceGroup children: [ (command.AndOr ops: [Op_DAmp Op_DPipe] children: [ (C {(Lit_Other '[')} {(DQ (${ VSub_Number 1))} {(Lit_Other ']')}) (command.Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:r spids:[46]) op: Equal rhs: {(DQ (${ VSub_Number 1))} spids: [46] ) ] spids: [46] ) (C {(READLINE)}) ] ) (C {(READ_STR)} {(DQ (${ VSub_Name r))}) ] spids: [31] ) spids: [26 30] ) (command.FuncDef name: EVAL body: (command.BraceGroup children: [ (command.Assignment keyword: Assign_Local pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:ast spids:[82]) op: Equal rhs: {(DQ (${ VSub_Number 1))} spids: [82] ) ] spids: [80] ) (command.Assignment keyword: Assign_Local pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:env spids:[92]) op: Equal rhs: {(DQ (${ VSub_Number 2))} spids: [92] ) ] spids: [90] ) (command.Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:r spids:[100]) op: Equal rhs: (word.EmptyWord) spids: [100] ) ] spids: [100] ) (command.AndOr ops: [Op_DAmp] children: [ (command.DBracket expr: (bool_expr.WordTest w:{(DQ (${ VSub_Name __ERROR))}) ) (command.ControlFlow token:<ControlFlow_Return return> arg_word:{(1)}) ] ) (command.Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:r spids:[120]) op: Equal rhs: {(DQ (${ VSub_Name ast))} spids: [120] ) ] spids: [120] ) ] spids: [77] ) spids: [72 76] ) (command.FuncDef name: PRINT body: (command.BraceGroup children: [ (command.If arms: [ (if_arm cond: [ (command.Sentence child: (command.DBracket expr:(bool_expr.WordTest w:{(DQ (${ VSub_Name __ERROR))})) terminator: <Op_Semi ';'> ) ] action: [ (C {(_pr_str)} {(DQ (${ VSub_Name __ERROR))} {(yes)}) (command.Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:r spids:[168]) op: Equal rhs: {(DQ ('Error: ') (${ VSub_Name r))} spids: [168] ) ] spids: [168] ) (command.Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:__ERROR spids:[177]) op: Equal rhs: (word.EmptyWord) spids: [177] ) ] spids: [177] ) ] spids: [16777215 154] ) ] else_action: [(C {(_pr_str)} {(DQ (${ VSub_Number 1))} {(yes)})] spids: [180 194] ) ] spids: [138] ) spids: [133 137] ) (command.FuncDef name: REP body: (command.BraceGroup children: [ (C {(READ)} {(DQ (${ VSub_Number 1))}) (C {(EVAL)} {(DQ (${ VSub_Name r))}) (C {(PRINT)} {(DQ (${ VSub_Name r))}) ] spids: [207] ) spids: [202 206] ) (command.WhileUntil keyword: <KW_While while> cond: [(command.Sentence child:(C {(true)}) terminator:<Op_Semi ';'>)] body: (command.DoGroup children: [ (command.AndOr ops: [Op_DPipe] children: [ (C {(READLINE)} {(DQ ('user> '))}) (command.ControlFlow token: <ControlFlow_Exit exit> arg_word: {(DQ ($ VSub_QMark '$?'))} ) ] ) (command.AndOr ops: [Op_DAmp Op_DAmp] children: [ (command.DBracket expr:(bool_expr.WordTest w:{(DQ (${ VSub_Name r))})) (C {(REP)} {(DQ (${ VSub_Name r))}) (C {(echo)} {(DQ (${ VSub_Name r))}) ] ) ] spids: [247 295] ) ) ] )