In article <[EMAIL PROTECTED]>,
"Xah Lee" <[EMAIL PROTECTED]> wrote:
> I had a idea today.
>
> I wanted to know what are the top most frequently used functions in the
> emacs lisp language. I thought i can write a quick script that go thru
> all the elisp library locations and get a word-frequency report i want.
>
> I started with a simple program:
> http://xahlee.org/p/titus/count_word_frequency.py
>
> and applied it to a Shakespeare text. Here's a sample result:
> http://xahlee.org/p/titus/word_frequency.html
>
> Then, i wrote a more elaborate one that recurse thru directories to
> work on elisp code treasury.
>
> The code is here:
> http://xahlee.org/x/count_word_frequency.py
>
> and i got a strange result. The word âtheâ appeared on the top,
> along with many other English words. I quickly realized that these are
> due to lisp function's doc strings. (not comments)
>
> At this point, it dawned on me that there's no easy way to work around
> this, Unless, i write this script in elisp which has functions that
> read lisp code and can easily filter out doc strings.
For Lisp, just look for symbols that are immediately preceded by ( or
#'. The tokens after ( are not always functions, since this is also
used for constructing literal lists and for subforms of special
operators (e.g. the variable names in LET bindings) but I think the ones
that aren't functions will have low enough frequency that they won't
impact the results.
Perl would be harder, I think. For ordinary function calls you can look
for a word followed by (, but built-in functions allow use without
parentheses around the parameters.
--
Barry Margolin, [EMAIL PROTECTED]
Arlington, MA
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