You have a text fi le named data. Create a pipeline that displays all instances of double words, for example, “hello hello”. (Assume that a “word” consists of consecutive upperor lowercase letters.)...

You have a text fi le named data. Create a pipeline that displays all instances of double words, for example, “hello hello”. (Assume that a “word” consists of consecutive upperor lowercase letters.) Hint: First create a list of all the words, one per line. Then pipe the output to a program that searches for consecutive identical lines.