使用switch语句计算文件中的单词和特定字符

Alright, so basically what I have to do here is read a file containing words. Some of these words have special characters such as quotes, periods, hyphens etc at the beginning and end. I have to count all of the words in the file, count how many special characters there are, remove them, and print out each word on a seperate line without the special characters. Alright, so basically what I have to do here is