[EMAIL PROTECTED] wrote: > hello, > > i'm wondering how people from here handle this, as i often encounter > something like: > > acc = [] # accumulator ;) > for line in fileinput.input(): > if condition(line): > if acc: #1 > doSomething(acc) #1 > acc = [] > else: > acc.append(line) > if acc: #2 > doSomething(acc) #2 > > BTW i am particularly annoyed by #1 and #2 as it is a reptition, and i > think it is quite error prone, how will you do it in a pythonic way ? > I think it is quite ok as the last "if acc:" is just an "end-of-stream" implicit marker, whereas during the loop, you have explicit markers to signal end/start of blocks. There is no unwanted variable introduced and I don't see how it can be error prone.
This is one of the case I won't try to make it a one liner, because it is already very natural :-) -- http://mail.python.org/mailman/listinfo/python-list