More command-line fun

"This week I'd like to cover some command line tips and tricks. There are a lot of tasks which can be completed with one or two lines and I'd like to share a handful that I've found useful.

"Have you ever read a report that talked about the number of times a given word appears in a story, a script or a play? You might wonder if the report is correct about the number of times Shakespeare used the term "love" in Romeo and Juliet. There is a quick way to check. The following command will display a list of the words that appear in a given file and a count of how many times each word is used.

cat my_text_file.txt | tr -c a-zA-z ' ' | sed '/^$/d' | sort | uniq -i -c

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