ruby problems

timer Asked: Nov 8th, 2016

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RUBY Problems 1. write a ruby program that extracts comments from a program and puts them into a separate file. Use as input ANY reasonable� program you have written in the past in any language (Lisp included). By reasonable I mean use a real program with comments � Not something like "hello world" with no comments. The intent is to have To read and process source code looking for specific things such as comments. 2. write a ruby program that removes html from a webpage (instructions delimited by brackets ). Just output the page without the embedded html. Use the class webpage as input or any other page you wish. 3. Write a ruby program that creates a frequency distribution of 'words' in a document and then prints them out from highest to lowest frequency. Select any document yourself- make sure it's text! 4. write a ruby program that determines the 5 oldest files if given a directory listing. Use your own directory listing as input. 5. Write a recursive function that given a string, writes it backwards. 6. How many tertiary sequences of length n have an even number of 0's? 7. How many binary sequences of length n have an even number of 0's? 5. Given this recursive definition: comb(r,k) = comb(r-1,k-1) + comb(r-1,k) = 1 if k = 0 = 0 if k > r implement this in Ruby

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