{"id":6643,"date":"2022-06-30T23:00:00","date_gmt":"2022-06-30T17:30:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=6643"},"modified":"2022-06-20T17:23:20","modified_gmt":"2022-06-20T11:53:20","slug":"ruby-strings-methods-i-solution","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/ruby-strings-methods-i-solution\/","title":{"rendered":"Ruby &#8211; Strings &#8211; Methods I Solution"},"content":{"rendered":"\n<p>In this post, we will solve <strong>Ruby &#8211; Strings &#8211; Methods I HackerRank Solution<\/strong>. This problem <strong>(Ruby &#8211; Strings &#8211; Methods I)<\/strong> is a part of <strong>HackerRank Ruby<\/strong> series.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-662b6ad5d05ff\" class=\"ez-toc-cssicon-toggle-label\"><label class=\"ez-toc-title\">Table of Contents<\/label>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0090ff;color:#0090ff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0090ff;color:#0090ff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662b6ad5d05ff\" checked \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.codingbroz.com\/ruby-strings-methods-i-solution\/#Task\" title=\"Task\">Task<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.codingbroz.com\/ruby-strings-methods-i-solution\/#Solution_%E2%80%93_Ruby_%E2%80%93_Strings_%E2%80%93_Methods_I\" title=\"Solution &#8211; Ruby &#8211; Strings &#8211; Methods I \">Solution &#8211; Ruby &#8211; Strings &#8211; Methods I <\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Task\"><\/span><strong>Task<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Text info can be read from varied sources and is often unsuitable for direct processing or usage by core functions. This necessitates methods for post-processing and data-fixing. In this tutorial, we&#8217;ll learn how to remove flanking whitespace and newline from strings.<\/p>\n\n\n\n<ul><li><code>String.chomp(separator=$\/)<\/code>: Returns a new string with the given separator removed from the end of the string (if present). If $\/ has not been changed from the default Ruby record separator, then chomp also removes carriage return characters (that is, it will remove \\n, \\r, and \\r\\n).<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code has-ast-global-color-5-color has-ast-global-color-8-background-color has-text-color has-background\"><code>> \"Hello World!  \\r\\n\".chomp\r\n\"Hello World!  \"\r\n> \"Hello World!\".chomp(\"orld!\")\r\n\"Hello W\"\r\n> \"hello \\n there\".chomp\r\n\"hello \\n there\"<\/code><\/pre>\n\n\n\n<ul><li><code>String.strip<\/code>\u00a0&#8211; Returns a new string with the leading and trailing whitespace removed.<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code has-ast-global-color-5-color has-ast-global-color-8-background-color has-text-color has-background\"><code>> \"    hello    \".strip\r\n\"hello\"\r\n> \"\\tgoodbye\\r\\n\".strip\r\n\"goodbye\"<\/code><\/pre>\n\n\n\n<ul><li><code>String.chop<\/code>\u00a0&#8211; Returns a new string with the last character removed. Note that carriage returns (\\n, \\r\\n) are treated as single character and, in the case they are not present, a character from the string\u00a0<strong>will be removed<\/strong>.<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code has-ast-global-color-5-color has-ast-global-color-8-background-color has-text-color has-background\"><code>> \"string\\n\".chop\r\n\"string\"\r\n> \"string\".chop\r\n\"strin\"<\/code><\/pre>\n\n\n\n<p>In this challenge, your task is to code a\u00a0<code>process_text<\/code>\u00a0method, which takes an array of strings as input and returns a single joined string with all\u00a0<em>flanking<\/em>\u00a0whitespace and new lines removed. Each string has to be separated by a single space.<\/p>\n\n\n\n<pre class=\"wp-block-code has-ast-global-color-5-color has-ast-global-color-8-background-color has-text-color has-background\"><code>> process_text(&#91;\"Hi, \\n\", \" Are you having fun?    \"])\r\n\"Hi, Are you having fun?\"<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solution_%E2%80%93_Ruby_%E2%80%93_Strings_%E2%80%93_Methods_I\"><\/span><strong>Solution &#8211; Ruby &#8211; Strings &#8211; Methods I <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"ruby\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">def process_text(array)\n    array.map {|string| string.strip}.join(\" \")\nend\n<\/pre>\n\n\n\n<p><strong>Note:<\/strong> This problem <strong>(<a href=\"https:\/\/www.hackerrank.com\/challenges\/ruby-strings-methods-i\/problem\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Ruby &#8211; Strings &#8211; Methods I<\/a>)<\/strong> is generated by <strong><a href=\"https:\/\/www.hackerrank.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">HackerRank<\/a><\/strong> but the solution is provided by <strong><a href=\"https:\/\/www.codingbroz.com\/\">CodingBroz<\/a><\/strong>. This tutorial is only for <strong>Educational<\/strong> and <strong>Learning<\/strong> purpose.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we will solve Ruby &#8211; Strings &#8211; Methods I HackerRank Solution. This problem (Ruby &#8211; Strings &#8211; Methods I) is a part of HackerRank Ruby series.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,680],"tags":[681],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/6643"}],"collection":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/comments?post=6643"}],"version-history":[{"count":4,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/6643\/revisions"}],"predecessor-version":[{"id":6648,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/6643\/revisions\/6648"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=6643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=6643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=6643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}