{"id":9866,"date":"2022-09-21T03:34:04","date_gmt":"2022-09-20T22:04:04","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-can-i-extract-the-output-of-a-command-line-in-javascript\/"},"modified":"2022-09-21T03:34:04","modified_gmt":"2022-09-20T22:04:04","slug":"solved-how-can-i-extract-the-output-of-a-command-line-in-javascript","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-can-i-extract-the-output-of-a-command-line-in-javascript\/","title":{"rendered":"[Solved] How can I extract the output of a command line in JavaScript?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-59448547\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"59448547\" data-parentid=\"59447736\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>Don&#8217;t do in JavaScript what you can do from the command line.<\/p>\n<p>In this case you could extract that number before passing it to your Node.js script<\/p>\n<p>You must have awk available on your system so to extract that number you can simply do:<\/p>\n<pre class=\"lang-sh prettyprint-override\"><code>awk '\/MemTotal\/{print $2}' \/proc\/meminfo\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How can I extract the output of a command line in JavaScript? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Don&#8217;t do in JavaScript what you can do from the command line. In this case you could extract that number before passing it to your Node.js script You must have awk available on your system so to extract that number you can simply do: awk &#8216;\/MemTotal\/{print $2}&#8217; \/proc\/meminfo 1 [ad_2] solved How can I &#8230; <a title=\"[Solved] How can I extract the output of a command line in JavaScript?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-can-i-extract-the-output-of-a-command-line-in-javascript\/\" aria-label=\"More on [Solved] How can I extract the output of a command line in JavaScript?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[776,333,380],"class_list":["post-9866","post","type-post","status-publish","format-standard","hentry","category-solved","tag-cmd","tag-javascript","tag-parsing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How can I extract the output of a command line in JavaScript? - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-how-can-i-extract-the-output-of-a-command-line-in-javascript\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How can I extract the output of a command line in JavaScript? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Don&#8217;t do in JavaScript what you can do from the command line. In this case you could extract that number before passing it to your Node.js script You must have awk available on your system so to extract that number you can simply do: awk &#039;\/MemTotal\/{print $2}&#039; \/proc\/meminfo 1 [ad_2] solved How can I ... 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