(command.CommandList children: [ (command.Simple blame_tok: <Id.Lit_Colon ':'> more_env: [] words: [{<Id.Lit_Colon ':'>} {<mam>} {<probe>} {<script>}] redirects: [] do_fork: T ) (command.ShAssignment left: <Id.Lit_VarLike 'opt='> pairs: [ (AssignPair left: <Id.Lit_VarLike 'opt='> lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'opt='> name:opt) 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_Number 1)}) arms_start: <Id.KW_In in> arms: [ (CaseArm left: <-d> pattern: (pat.Words words:[{<-d>}]) middle: <Id.Right_CasePat _> action: [ (command.ShAssignment left: <Id.Lit_VarLike 'opt='> pairs: [ (AssignPair left: <Id.Lit_VarLike 'opt='> lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'opt='> name:opt) op: assign_op.Equal rhs: {<-d>} ) ] redirects: [] ) ] right: <Id.Op_DSemi _> ) (CaseArm left: <-> pattern: (pat.Words words:[{<-> <Id.Lit_Star '*'>}]) middle: <Id.Right_CasePat _> action: [] right: <Id.Op_DSemi _> ) (CaseArm left: <Id.Lit_Star '*'> pattern: (pat.Words words:[{<Id.Lit_Star '*'>}]) middle: <Id.Right_CasePat _> action: [(command.ControlFlow keyword:<Id.ControlFlow_Break break>)] right: <Id.Op_DSemi _> ) ] arms_end: <Id.KW_Esac esac> redirects: [] ) (command.Simple blame_tok: <shift> more_env: [] words: [{<shift>}] redirects: [] do_fork: T ) ] right: <Id.KW_Done done> ) redirects: [] ) (command.Simple blame_tok: <mamprobe> more_env: [] words: [{<mamprobe>} {($ Id.VSub_DollarName opt)} {<->} {(DQ ($ Id.VSub_Number 1))}] redirects: [] do_fork: T ) ] )