On 2013-04-20, Jason Friedman <jsf80...@gmail.com> wrote: > I have a file such as: > > $ cat my_data > Starting a new group > a > b > c > Starting a new group > 1 > 2 > 3 > 4 > Starting a new group > X > Y > Z > Starting a new group > > I am wanting a list of lists: > ['a', 'b', 'c'] > ['1', '2', '3', '4'] > ['X', 'Y', 'Z'] > []
Hrmmm, hoomm. Nobody cares for slicing any more. def headered_groups(lst, header): b = lst.index(header) + 1 while True: try: e = lst.index(header, b) except ValueError: yield lst[b:] break yield lst[b:e] b = e+1 for group in headered_groups([line.strip() for line in open('data.txt')], "Starting a new group"): print(group) -- Neil Cerutti -- http://mail.python.org/mailman/listinfo/python-list