(command.CommandList children: [ (command.ShFunction name: getpassword body: (command.BraceGroup children: [ (command.WhileUntil keyword: <Id.KW_Until until> cond: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName '$password'))} {<Id.Lit_Equals '='>} {(DQ ($ Id.VSub_DollarName '$rpassword'))} {<-a>} {<-n>} {(DQ ($ Id.VSub_DollarName '$password'))} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] body: (command.DoGroup children: [ (command.Sentence child: (C {<read>} {<-s>} {<-p>} {(DQ <"Enter a password for user '"> ($ Id.VSub_Number '$1') <"' : ">)} {<password>} ) terminator: <Id.Op_Semi _> ) (command.Simple words: [{<echo>}] redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})] ) (command.Sentence child: (C {<read>} {<-s>} {<-p>} {(DQ <"Reenter password for user '"> ($ Id.VSub_Number '$1') <"' : ">)} {<rpassword>} ) terminator: <Id.Op_Semi _> ) (command.Simple words: [{<echo>}] redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})] ) ] ) ) (C {<echo>} {(DQ ($ Id.VSub_DollarName '$password'))}) ] ) ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:pw) op: assign_op.Equal rhs: { (command_sub left_token: <Id.Left_Backtick '`'> command_list: (command.CommandList children: [ (C {<getpassword>} { (DQ (braced_var_sub token: <Id.VSub_Number 1> suffix_op: (suffix_op.Unary op_id:Id.VTest_ColonHyphen arg_word:{<blah>}) ) ) } ) ] ) ) } spids: [114] ) ] ) (C {<echo>} {(DQ <"password is '"> ($ Id.VSub_DollarName '$pw') <"'">)}) ] )