(command.CommandList children: [ (command.Case to_match: {($ Id.VSub_Pound '$#') <Id.Lit_Colon ':'> ($ Id.VSub_Number '$2')} arms: [ (case_arm pat_list: [{<1> <Id.Lit_Colon ':'>} {<2> <Id.Lit_Colon ':'> <-r>}] spids: [18 24 26 -1] ) (case_arm pat_list: [{<Id.Lit_Star '*'>}] action: [ (command.Sentence child: (command.Simple words: [{<echo>} {(DQ <'Usage: '> ($ Id.VSub_Number '$0') <' <abbreviation> [-r]'>)}] redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})] do_fork: T ) terminator: <Id.Op_Semi _> ) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>}) ] spids: [28 29 -1 47] ) ] ) (C {<.>} {<'/etc/fstab'>}) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {($ Id.VSub_Number '$1')} spids: [55] ) (assign_pair lhs: (sh_lhs_expr.Name name:dir) op: assign_op.Equal rhs: {($ Id.VSub_Number '$1')} spids: [58] ) ] ) (command.Case to_match: {($ Id.VSub_Number '$1')} arms: [ (case_arm pat_list: [{<0>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {<'/dev/fd0'>} spids: [71] ) (assign_pair lhs: (sh_lhs_expr.Name name:dir) op: assign_op.Equal rhs: {<fd0>} spids: [74] ) ] ) ] spids: [68 69 77 -1] ) (case_arm pat_list: [{<1>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {<'/dev/fd1'>} spids: [82] ) (assign_pair lhs: (sh_lhs_expr.Name name:dir) op: assign_op.Equal rhs: {<fd1>} spids: [85] ) ] ) ] spids: [79 80 88 -1] ) (case_arm pat_list: [{<PS0>} {<at0>} {<fd0>} {<pat0>} {<pc0>} {<ps0>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {<'/dev/'> ($ Id.VSub_DollarName '$dev')} spids: [103] ) (assign_pair lhs: (sh_lhs_expr.Name name:dir) op: assign_op.Equal rhs: {<fd0>} spids: [107] ) ] ) ] spids: [90 101 110 -1] ) (case_arm pat_list: [{<PS1>} {<at1>} {<fd1>} {<pat1>} {<pc1>} {<ps1>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {<'/dev/'> ($ Id.VSub_DollarName '$dev')} spids: [125] ) (assign_pair lhs: (sh_lhs_expr.Name name:dir) op: assign_op.Equal rhs: {<fd1>} spids: [129] ) ] ) ] spids: [112 123 132 -1] ) (case_arm pat_list: [{<root>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {($ Id.VSub_DollarName '$root')} spids: [137] ) ] ) ] spids: [134 135 140 -1] ) (case_arm pat_list: [{<tmp>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {($ Id.VSub_DollarName '$tmp')} spids: [145] ) ] ) ] spids: [142 143 148 -1] ) (case_arm pat_list: [{<usr>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {($ Id.VSub_DollarName '$usr')} spids: [153] ) ] ) ] spids: [150 151 156 -1] ) (case_arm pat_list: [{<Id.Lit_Star '*'>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:dev) op: assign_op.Equal rhs: {<'/dev/'> ($ Id.VSub_DollarName '$dev')} spids: [161] ) (assign_pair lhs: (sh_lhs_expr.Name name:dir) op: assign_op.Equal rhs: {<mnt>} spids: [165] ) ] ) ] spids: [158 159 -1 168] ) ] ) (command.Case to_match: {($ Id.VSub_Number '$0')} arms: [ (case_arm pat_list: [{<Id.Lit_Star '*'> <M>}] action: [ (C {<mount>} {($ Id.VSub_DollarName '$dev')} {<'/'> ($ Id.VSub_DollarName '$dir')} {($ Id.VSub_Number '$2')} ) ] spids: [177 179 190 -1] ) (case_arm pat_list: [{<Id.Lit_Star '*'> <U>}] action: [(C {<umount>} {($ Id.VSub_DollarName '$dev')})] spids: [192 194 -1 200] ) ] ) ] )