Ruby has built-in methods to sort given array. Syntax: Array.sort -> new_array This sort will retruns new Array similarly sort! will also sort the array, instead of creating new array it will modify the existing array Example # Array with initail values numbers = [5,3,2,1] # sort numbers array and return new array with sorted elements. numbers.sort Output => [1, 2, 3, 5] with sort! # Array with initail values numbers = [5,3,2,1] # sort numbers array and return new array with sorted elements. numbers.sort! Output => [1, 2, 3, 5] Customized Sorting With sort_by Examples Sort by length strings = %w(foo test blog a) strings.sort_by(&:length) Output => ["a", "foo", "test", "blog"] Example 2: table = ["Kiran","Powel","Polard","Lara","Shreya","Shakeela"] puts "Array sort implementation" new_arr = table.sort{|a,b| b<=>a} puts "Array after sorting: #{new_arr}" puts "Original Array instance: #{table}" Output Sort by Capital Words Example 3: text="Ruby is programming Language" text .split .sort_by { |w| w[0].match?(/[A-Z]/) ? 0 : 1 } .join(" ") Output => "Ruby Language is programming" Sort in Reverse Order How to sort array revers order with length Example: strings = "Ruby is Programming language" strings.split.sort { |a,b| a.length <=> b.length } Output => ["is", "Ruby", "language", "Programming"]
Array sort implementation
Array after sorting: ["Shreya", "Shakeela", "Powel", "Polard", "Lara", "Kiran"]
Original Array instance: ["Kiran", "Powel", "Polard", "Lara", "Shreya", "Shakeela"]
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