Introduction - If you have any usage issues, please Google them yourself
To read a text file input.txt, divestment English words, the output of an order of the dictionary word list, the result output in a text file output.txt, one word per line, and the output of the word after word the number appears, the two fields separated by commas. Agreed only by the words in English letters, separated by a non-English letters between words, the same output only one word, case-insensitive.
Such as a text file input.txt for:
Hello world.
Hello every one.
Let us go.
The output text file output.txt for:
every, 1
go, 1
hello, 2
let, 1
one, 1
us, 1
world, 1