我想試看看用perl做這個問題...
是不是 mix shell script 或用其它寫會比較快? C/C++當然可以做到,
但只用 perl 可以快一點嗎?
produce a count of all the different "words" in a text file.
Use any definition of word that makes logical sense or makes your job easy.
The output might look like this:
17 a
14 the
9 of
9 in
8 com
7 you
7 that
7 mercedsystems
6 to
...
For this input file, the word "a" occurred 17 times, "the" 14 times,
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