{"id":6311,"date":"2022-06-06T23:20:00","date_gmt":"2022-06-06T17:50:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=6311"},"modified":"2022-06-06T12:39:52","modified_gmt":"2022-06-06T07:09:52","slug":"sed-command-5-hackerrank-solution","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/sed-command-5-hackerrank-solution\/","title":{"rendered":"&#8216;Sed&#8217; command #5 &#8211; HackerRank Solution"},"content":{"rendered":"\n<p>In this post, we will solve <strong>&#8216;Sed&#8217; command #5 HackerRank Solution<\/strong>. This problem <strong>(&#8216;Sed&#8217; command #5)<\/strong> is a part of <strong>Linux Shell<\/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-662ce7be454c7\" 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-662ce7be454c7\" 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\/sed-command-5-hackerrank-solution\/#Objective\" title=\"Objective\">Objective<\/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\/sed-command-5-hackerrank-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-3\" href=\"https:\/\/www.codingbroz.com\/sed-command-5-hackerrank-solution\/#Input_Format\" title=\"Input Format\">Input Format<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.codingbroz.com\/sed-command-5-hackerrank-solution\/#Constraints\" title=\"Constraints\">Constraints<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.codingbroz.com\/sed-command-5-hackerrank-solution\/#Output_Format\" title=\"Output Format\">Output Format<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.codingbroz.com\/sed-command-5-hackerrank-solution\/#Solution_%E2%80%93_%E2%80%98Sed_command_5_%E2%80%93_HackerRank_Solution\" title=\"Solution &#8211; &#8216;Sed&#8217; command #5 &#8211; HackerRank Solution\">Solution &#8211; &#8216;Sed&#8217; command #5 &#8211; HackerRank Solution<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Objective\"><\/span><strong>Objective<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Sed\" target=\"_blank\" rel=\"noopener\">Sed<\/a>&nbsp;is a popular utility which enables quick parsing and transformation of text.<\/p>\n\n\n\n<p>Here are some very simple examples of&nbsp;<strong>sed<\/strong>&nbsp;in action.<\/p>\n\n\n\n<p>Substitute the first occurrence of &#8216;editor&#8217; with &#8216;tool&#8217;.<\/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>`$:~\/hackerrank\/bash\/grep\/grep1$` echo \"My favorite programming editor is Emacs. Another editor I like is Vim.\" | sed -e s\/editor\/tool\/\r\nMy favorite programming tool is Emacs. Another editor I like is Vim.<\/code><\/pre>\n\n\n\n<p>Substitute all the occurrences of &#8216;editor&#8217; with &#8216;tool&#8217;.<\/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>`$:~\/hackerrank\/bash\/grep\/grep1$` echo \"My favorite programming editor is Emacs. Another editor I like is Vim.\" | sed -e s\/editor\/tool\/g\r\nMy favorite programming tool is Emacs. Another tool I like is Vim.  <\/code><\/pre>\n\n\n\n<p>Substitute the second occurrence of &#8216;editor&#8217; with &#8216;tool&#8217;.<\/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>`$:~\/hackerrank\/bash\/grep\/grep1$` echo \"My favorite programming editor is Emacs. Another editor I like is Vim.\" | sed -e s\/editor\/tool\/2\r\nMy favorite programming editor is Emacs. Another tool I like is Vim.<\/code><\/pre>\n\n\n\n<p>Highlight all the occurrences of &#8216;editor&#8217; by wrapping them up in brace brackets.<\/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>`$:~\/hackerrank\/bash\/grep\/grep1$` echo \"My favorite programming editor is Emacs. Another editor I like is Vim.\" | sed -e s\/editor\/{\\&amp;}\/g\r\nMy favorite programming {editor} is Emacs. Another {editor} I like is Vim.<\/code><\/pre>\n\n\n\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>Given an input file, with&nbsp;<strong>N<\/strong>&nbsp;credit card numbers, each in a new line, your task is to&nbsp;<strong>reverse the ordering of segments<\/strong>&nbsp;in each credit card number. Assume that the credit card numbers will have 4 space separated segments with 4 digits each.<\/p>\n\n\n\n<p>If the original credit card number is 1434 5678 9101 1234, transform it to 1234 9101 5678 1434.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Input_Format\"><\/span><strong>Input Format<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>N<\/strong>\u00a0credit card numbers, each in a new line, credit card numbers will have 4 space separated segments with 4 digits each.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Constraints\"><\/span><strong>Constraints<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul><li><strong>1 &lt;= <em>N<\/em> &lt;= 20<\/strong><\/li><\/ul>\n\n\n\n<p>However, the value of\u00a0<strong>N<\/strong>\u00a0does not matter while writing your command.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Output_Format\"><\/span><strong>Output Format<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>N<\/strong>\u00a0lines, each containing a credit card number with the ordering of its segments reversed.<\/p>\n\n\n\n<p><strong>Sample Input<\/strong><\/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>1234 5678 9101 1234  \r\n2999 5178 9101 2234  \r\n9999 5628 9201 1232  \r\n8888 3678 9101 1232<\/code><\/pre>\n\n\n\n<p><strong>Sample Output<\/strong><\/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>1234 9101 5678 1234  \r\n2234 9101 5178 2999  \r\n1232 9201 5628 9999  \r\n1232 9101 3678 8888 <\/code><\/pre>\n\n\n\n<p><strong>Explanation<\/strong><\/p>\n\n\n\n<p>The order of the four segments in the (input) credit card numbers have been reversed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solution_%E2%80%93_%E2%80%98Sed_command_5_%E2%80%93_HackerRank_Solution\"><\/span><strong>Solution &#8211; &#8216;Sed&#8217; command #5 &#8211; HackerRank Solution<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">sed -E 's\/([0-9]{4}) ([0-9]{4}) ([0-9]{4}) ([0-9]{4})\/\\4 \\3 \\2 \\1 \/g' \n<\/pre>\n\n\n\n<p><strong>Note:<\/strong> This problem <strong>(<a href=\"https:\/\/www.hackerrank.com\/challenges\/sed-command-5\/problem?h_r=next-challenge&amp;h_v=zen\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">&#8216;Sed&#8217; command #5<\/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 &#8216;Sed&#8217; command #5 HackerRank Solution. 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