(command.CommandList children: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'state='> name:state) op: assign_op.Equal rhs: {(DQ ($ Id.VSub_Number 1))} spids: [94] ) ] redirects: [] ) (command.Case to_match: {(DQ ($ Id.VSub_DollarName state))} arms: [ (case_arm pat_list: [{(SQ <start>)}] action: [(C {<echo>} {(SQ <'Starting process accounting'>)}) (C {<'/usr/lib/acct/startup'>})] spids: [108 111 124 -1] ) (case_arm pat_list: [{(SQ <stop>)}] action: [(C {<echo>} {(SQ <'Stopping process accounting'>)}) (C {<'/usr/lib/acct/shutacct'>})] spids: [127 130 143 -1] ) (case_arm pat_list: [{<Id.Lit_Star '*'>}] action: [ (C {<echo>} {(DQ <'Usage: '> ($ Id.VSub_Number 0) <' { start | stop }'>)}) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>}) ] spids: [146 147 164 -1] ) ] redirects: [] ) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<0>}) ] )