{"id":5019,"date":"2023-02-11T16:36:48","date_gmt":"2023-02-11T11:06:48","guid":{"rendered":"https:\/\/trysiteprice.com\/blog\/?p=5019"},"modified":"2023-02-11T16:36:48","modified_gmt":"2023-02-11T11:06:48","slug":"linux-unix-bash-loop-forever","status":"publish","type":"post","link":"https:\/\/trysiteprice.com\/blog\/linux-unix-bash-loop-forever\/","title":{"rendered":"Linux \/ UNIX: Bash Loop Forever"},"content":{"rendered":"<p>In a Linux or Unix shell, you can create an infinite loop using the <code>while<\/code> loop. The syntax for the <code>while<\/code> loop is as follows:<\/p>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-csharp\"><span class=\"hljs-keyword\">while<\/span> <span class=\"hljs-literal\">true<\/span>; <span class=\"hljs-keyword\">do<\/span><br \/>\n  [<span class=\"hljs-meta\">command1<\/span>]<br \/>\n  [<span class=\"hljs-meta\">command2<\/span>]<br \/>\n  ...<br \/>\ndone<br \/>\n<\/code><\/div>\n<\/div>\n<p>Here, <code>true<\/code> is a command that always returns a successful exit status (0), so the loop will continue to execute indefinitely until it is interrupted by a user or by a system event. The commands between <code>do<\/code> and <code>done<\/code> will be executed repeatedly in the loop.<\/p>\n<p>For example, the following script will print the string &#8220;Hello, World!&#8221; every 5 seconds:<\/p>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-bash\"><span class=\"hljs-keyword\">while<\/span> <span class=\"hljs-literal\">true<\/span>; <span class=\"hljs-keyword\">do<\/span><br \/>\n  <span class=\"hljs-built_in\">echo<\/span> <span class=\"hljs-string\">\"Hello, World!\"<\/span><br \/>\n  <span class=\"hljs-built_in\">sleep<\/span> 5<br \/>\n<span class=\"hljs-keyword\">done<\/span><\/code><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>In a Linux or Unix shell, you can create an infinite loop using the while loop. The syntax for the while loop is as follows: while true; do [command1] [command2] &#8230; done Here, true is a command that always returns a successful exit status (0), so the loop will continue to execute indefinitely until it &#8230; <a title=\"Linux \/ UNIX: Bash Loop Forever\" class=\"read-more\" href=\"https:\/\/trysiteprice.com\/blog\/linux-unix-bash-loop-forever\/\" aria-label=\"Read more about Linux \/ UNIX: Bash Loop Forever\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5019","post","type-post","status-publish","format-standard","hentry","category-best-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux \/ UNIX: Bash Loop Forever - TrySitePrice<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trysiteprice.com\/blog\/linux-unix-bash-loop-forever\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux \/ UNIX: Bash Loop Forever - TrySitePrice\" \/>\n<meta property=\"og:description\" content=\"In a Linux or Unix shell, you can create an infinite loop using the while loop. The syntax for the while loop is as follows: while true; do [command1] [command2] ... done Here, true is a command that always returns a successful exit status (0), so the loop will continue to execute indefinitely until it ... 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