fork download 
  1. def recursive(it):
  2.     s = ''
  3.     for c in it:
  4.         if c == ',':
  5.             if s:
  6.                 yield s
  7.                 s = ''
  8.         elif c == '[':
  9.             for y in recursive(it):
  10.                 yield s + '.' + y
  11.             s = ''
  12.         elif c == ']':
  13.             if s:
  14.                 yield s
  15.             return
  16.         else:
  17.             s += c
  18.     if s:
  19.         yield s
  20.  
  21. s = 'a,b,c[a,b,c[a]],d'
  22. print(list(recursive(iter(s))))
Success #stdin #stdout 0.01s 7896KB
comments (?)
stdin 
Standard input is empty
stdout 
['a', 'b', 'c.a', 'c.b', 'c.c.a', 'd']
https://ideone.com/wywzXl
language:
Python (cpython 2.7.16)
created:
12 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!