(command.CommandList children: [ (command.AndOr ops: [Id.Op_DAmp Id.Op_DPipe] children: [ (command.Simple words: [{<curl>} {<--version>}] redirects: [(redir.Redir op:<Id.Redir_AndGreat '&>'> fd:-1 arg_word:{</dev/null>})] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:URLGET) op: assign_op.Equal rhs: {(DQ <'curl -sS -L'>)} spids: [39] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:URLGET) op: assign_op.Equal rhs: {(DQ <'wget -nv -O-'>)} spids: [46] ) ] ) ] ) (C {<idiff>} { (command_sub left_token: <Id.Left_ProcSubIn '<('> command_list: (command.CommandList children: [(C {($ Id.VSub_DollarName '$URLGET')} {(DQ ($ Id.VSub_Number '$1'))})] ) ) } { (command_sub left_token: <Id.Left_ProcSubIn '<('> command_list: (command.CommandList children: [(C {($ Id.VSub_DollarName '$URLGET')} {(DQ ($ Id.VSub_Number '$2'))})] ) ) } ) ] )