> function! WordFrequency1() range
> let a=[]
> let b={}
> let a=split(join(getline(a:firstline,a:lastline)),'\A\+')
> for word in a
> let b[word]=(exists("b[word]")?b[word]+1:1
This can be more clea[rn]ly written as
let b[word]=get(b, word, 0) + 1
which gets "b[word]" if it exists, or defaults to 0 if it
doesn't. (It's a retweaking of a Python idiom "b.get(word,0)" as
a lot of the list/dict stuff in Vim seems to be influenced by
Python's syntax)
-tim
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