(command.CommandList children: [ (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {($ Id.VSub_Pound '$#')} {<-eq>} {<0>} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] ) action: [ (command.Simple words: [{<echo>} {(DQ <'Usage: '> ($ Id.VSub_Number '$0') <' [-d|-i|-x] url'>)}] redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})] do_fork: T ) (command.Simple words: [{<echo>} {(DQ <'-d=domains only, -i=internal refs only, -x=external only'>)}] redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})] do_fork: T ) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>}) ] spids: [20 34] ) ] ) (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {($ Id.VSub_Pound '$#')} {<-gt>} {<1>} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] ) action: [ (command.Case to_match: {(DQ ($ Id.VSub_Number '$1'))} arms: [ (case_arm pat_list: [{<-d>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:lastcmd) op: assign_op.Equal rhs: {(DQ <'cut -d/ -f3 | sort | uniq'>)} spids: [95] ) ] ) (C {<shift>}) ] spids: [92 93 104 -1] ) (case_arm pat_list: [{<-r>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:basedomain) op: assign_op.Equal rhs: { (DQ <'http://'> (command_sub left_token: <Id.Left_DollarParen '$('> child: (command.Pipeline children: [ (C {<echo>} {($ Id.VSub_Number '$2')}) (C {<cut>} {<'-d/'>} {<-f3>}) ] negated: F ) ) <'/'> ) } spids: [110] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:lastcmd) op: assign_op.Equal rhs: { (DQ <'grep '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <'^'> ($ Id.VSub_DollarName '$basedomain') (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <' | sed '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <'s|'> ($ Id.VSub_DollarName '$basedomain') <'||g'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <' | sort |'> <'\t uniq'> ) } spids: [130] ) ] ) (C {<shift>}) ] spids: [107 108 152 -1] ) (case_arm pat_list: [{<-a>}] action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:basedomain) op: assign_op.Equal rhs: { (DQ <'http://'> (command_sub left_token: <Id.Left_DollarParen '$('> child: (command.Pipeline children: [ (C {<echo>} {($ Id.VSub_Number '$2')}) (C {<cut>} {<'-d/'>} {<-f3>}) ] negated: F ) ) <'/'> ) } spids: [158] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:lastcmd) op: assign_op.Equal rhs: { (DQ <'grep -v '> (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\"'> ) <'^'> ($ Id.VSub_DollarName '$basedomain') (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <' | sort | uniq'> ) } spids: [178] ) ] ) (C {<shift>}) ] spids: [155 156 192 -1] ) (case_arm pat_list: [{<Id.Lit_Star '*'>}] action: [ (command.Sentence child: (command.Simple words: [ {<echo>} { (DQ ($ Id.VSub_Number '$0') <': unknown option specified: '> ($ Id.VSub_Number '$1') ) } ] redirects: [ (redir op: <Id.Redir_GreatAnd '>&'> loc: (redir_loc.Fd fd:1) arg: {<2>} ) ] do_fork: T ) terminator: <Id.Op_Semi _> ) (command.ControlFlow token: <Id.ControlFlow_Exit exit> arg_word: {<1>} ) ] spids: [195 196 -1 215] ) ] ) ] spids: [66 80] ) ] else_action: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:lastcmd) op: assign_op.Equal rhs: {(DQ <'sort | uniq'>)} spids: [220] ) ] ) ] ) (command.Pipeline children: [ (C {<lynx>} {<-dump>} {(DQ ($ Id.VSub_Number '$1'))}) (C {<sed>} {<-n>} {(SQ <'/^References$/,$p'>)}) (C {<grep>} {<-E>} {(SQ <'[[:digit:]]+\\.'>)}) (C {<awk>} {(SQ <'{print $2}'>)}) (C {<cut>} {<-d> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\?'>)} {<-f1>}) (C {<eval>} {($ Id.VSub_DollarName '$lastcmd')}) ] negated: F ) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<0>}) ] )