(command.CommandList children: [ (C {<Id.Lit_Colon ':'>} {<List>} {<all>} {<system>} {<directories>} {<containing>} {<the>} {<argument>}) (C {<Id.Lit_Colon ':'>} {<Author> <Id.Lit_Colon ':'>} {<Terrence>} {<W.>} {<Holm>}) (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (C {<test>} {($ Id.VSub_Pound '$#')} {<-ne>} {<1>}) terminator: <Id.Op_Semi _> ) ] ) action: [ (C {<echo>} {(DQ <'Usage: whereis name'>)}) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>}) ] spids: [30 41] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:path) op: assign_op.Equal rhs: { (DQ <'/bin /lib /etc'> <' /usr/bin /usr/lib'> <' /usr/include /usr/include/sys'> ) } spids: [58] ) ] ) (command.ForEach iter_name: dir iter_words: [{($ Id.VSub_DollarName '$path')}] do_arg_iter: F body: (command.DoGroup children: [ (command.ForEach iter_name: file iter_words: [ {($ Id.VSub_DollarName '$dir') <'/'> ($ Id.VSub_Number '$1')} {($ Id.VSub_DollarName '$dir') <'/'> ($ Id.VSub_Number '$1') <.> <Id.Lit_Star '*'>} ] do_arg_iter: F body: (command.DoGroup children: [ (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (C {<test>} {<-f>} {($ Id.VSub_DollarName '$file')}) terminator: <Id.Op_Semi _> ) ] ) action: [(C {<echo>} {($ Id.VSub_DollarName '$file')})] spids: [100 109] ) (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (C {<test>} {<-d>} {($ Id.VSub_DollarName '$file')}) terminator: <Id.Op_Semi _> ) ] ) action: [(C {<echo>} {($ Id.VSub_DollarName '$file') <'/'>})] spids: [118 127] ) ] ) ] ) ) ] ) ) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<0>}) ] )