String splitting question

[Klaus Alexander Seistrup]

Jim Shady wrote:

> I have a string:
> 
> abcd/df/a/iiwk/abcdefghijkl/b/c
> 
> I need to get the longest string between the /s of the string.
> For example, longest_str() for the above line should return
> 'abcdefghijkl'. How do I go about doing this?

E.g.:

#v+

def longest_str(s):
    cache = {}
    words = s.split('/')
    for word in words:
        wlen = len(word)
        if cache.has_key(wlen):
            cache[wlen].append(word)
        else:
            cache[wlen] = [word]
        # end if
    # end for
    return cache[max(cache.keys())]
# end def longest_str

#v-

Apply sanity checks as needed.


  // Klaus

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