Step 5: word_counter.pl Write a Perl program word_counter.pl that counts words (case insensitive). Word is defined by regular expression \w+ You may want to start with a copy of letter_counter_blanks.pl The program should print 10 most common words, and the number of hapax legomena Follow the rest of the specifications in the lab notes Submit the files: word_counter.pl and out_word_counter.txt Step 5: word_counter.pl Write a Perl program word_counter.pl that counts words (case insensitive). Word is defined by regular expression \w+ You may want to start with a copy of letter_counter_blanks.pl The program should print 10 most common words, and the number of hapax legomena Follow the rest of the specifications in the lab notes Submit the files: word_counter.pl and out_word_counter.txt