Usage of Ruby constructs in the top 1000 Ruby repos on Github (by stars); as parsed by Ripper.sexp

ruby_construct_frequencies.txt

15621016 :@ident
6122824  :var_ref
5547844  :args_add_block
4507766  :@tstring_content
4490030  :"."
4125221  :string_content
4125221  :string_literal
3757094  :call
2890433  :method_add_arg
2696463  :arg_paren
2584504  :@const
2022252  :symbol_literal
2010496  :symbol
1928627  :@int
1668326  :command
1364478  :fcall
1279333  :assign
1174164  :method_add_block
1159115  :assoc_new
1074974  :@ivar
1072364  :var_field
960480   :params
925601   :bodystmt
914999   :vcall
871378   :array
858692   :do_block
792184   :binary
704497   :@kw
652716   :const_path_ref
611425   :def
580717   :command_call
475582   :aref
381210   :bare_assoc_hash
367993   :paren
353211   :string_embexpr  <------------
315472   :brace_block
289445   :block_var
255810   :==
244253   :hash
212889   :const_ref
199609   :@label
173642   :assoclist_from_args
169139   :if
157490   :program
155267   :field
138270   :void_stmt
131274   :class
127050   :aref_field
120435   :@regexp_end
120435   :regexp_literal
115312   :if_mod
109281   :<<
106923   :+
101677   :unary
96213    :module
89889    :else
78488    :@op
61484    :opassign
57129    :return
55782    :when
54377    :@period
54309    :defs
51966    :"||"
49099    :"&&"
48501    :unless_mod
47175    :@float
46707    :-@
45918    :!
43066    :@gvar
36198    :ifop
31075    :top_const_ref
28299    :args_add_star
27737    :rest_param
27351    :-
26807    :rescue
26582    :*
25899    :dyna_symbol
25828    :massign
25791    :=~
25251    :begin
23358    :elsif
23353    :unless
20808    :and
19300    :dot2
18578    :return0
17720    :case
17190    :blockarg
16888    :>
15883    :!=
15662    :@backref
15137    :zsuper
13687    :/
12486    :@cvar
12448    :<
11895    :super
11775    :defined
11348    :next
9680     :ensure
9671     :yield
9634     :%
9632     :or
9588     :mrhs_new_from_args
9030     :alias
8239     :not
8220     :break
7502     :while
7129     :sclass
6520     :>=
6349     :mlhs_paren
5917     :|
5584     :dot3
5504     :yield0
5440     :xstring_literal
5301     :lambda
5063     :===
4917     :rescue_mod
4854     :&
4785     :**
4420     :@CHAR
4312     :<=
4035     :string_concat
3966     :<=>
2155     :!~
2079     :>>
2076     :"::"
1941     :for
1649     :mrhs_add_star
1517     :mlhs_add_star
1376     :string_dvar  <------------
1284     :while_mod
1095     :until
819      :until_mod
786      :undef
781      :const_path_field
750      :^
732      :retry
537      :~
276      :+@
201      :@backtick
134      :redo
117      :var_alias
114      :assoc_splat
98       :top_const_field
37       :@rational
30       :@imaginary
27       :END
21       :param_error
12       :BEGIN
6        :class_name_error
5        :assign_error
1        :alias_error

Technically, these results also include my repo download script and my counting script. Oops. 😄