{"id":4525,"date":"2020-02-13T08:22:18","date_gmt":"2020-02-13T13:22:18","guid":{"rendered":"https:\/\/blogs.mathworks.com\/videos\/?p=4525"},"modified":"2020-02-13T08:22:18","modified_gmt":"2020-02-13T13:22:18","slug":"debugging-code-started-from-windows-system-prompt","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/videos\/2020\/02\/13\/debugging-code-started-from-windows-system-prompt\/","title":{"rendered":"Debugging Code Started from Windows System Prompt"},"content":{"rendered":"<p>I have a number of MATLAB functions that run daily, started from a batch file called by the Windows Task Manager. The .bat file contains lines like this calling the MATLAB executable with the <tt>-r<\/tt> option:<\/p>\n<p><code><br \/>\nH:<br \/>\ncd \"\\Documents\\My MATLAB Files\"<br \/>\ncall \"C:\\Program Files\\MATLAB\\R2019a\\bin\\matlab.exe\" -r processCrawl_quit<br \/>\n<\/code><\/p>\n<p>Also, I always begin these functions with <tt>dbstop if error<\/tt> so I can troubleshoot if something goes wrong. Today this has happened and one of these functions has stopped at a breakpoint and I need to debug it. <\/p>\n<p>I use <tt>dbup<\/tt> and <tt>dbdown<\/tt> to navigate the function stack as the workspace selector in the editor is not available.<\/p>\n<p>Features covered in this <a href=\"https:\/\/blogs.mathworks.com\/videos\/2015\/10\/29\/matlab-code-along-videos\/\">code-along<\/a> style video include:<\/p>\n<ul>\n<li>Starting MATLAB from <a href=\"https:\/\/www.mathworks.com\/help\/matlab\/ref\/matlabwindows.html\">Windows system prompt<\/a><\/li>\n<li><tt><a href=\"https:\/\/www.mathworks.com\/help\/matlab\/ref\/dbup.html\">dbup<\/a><\/tt>, <tt><a href=\"https:\/\/www.mathworks.com\/help\/matlab\/ref\/dbdown.html\">dbdown<\/a><\/tt><\/li>\n<\/ul>\n<p><div class=\"row\"><div class=\"col-xs-12 containing-block\"><div class=\"bc-outer-container add_margin_20\"><videoplayer><div class=\"video-js-container\"><video data-video-id=\"6131872002001\" data-video-category=\"blog\" data-autostart=\"false\" data-account=\"62009828001\" data-omniture-account=\"mathwgbl\" data-player=\"rJ9XCz2Sx\" data-embed=\"default\" id=\"mathworks-brightcove-player\" class=\"video-js\" controls><\/video><script src=\"\/\/players.brightcove.net\/62009828001\/rJ9XCz2Sx_default\/index.min.js\"><\/script><script>if (typeof(playerLoaded) === 'undefined') {var playerLoaded = false;}(function isVideojsDefined() {if (typeof(videojs) !== 'undefined') {videojs(\"mathworks-brightcove-player\").on('loadedmetadata', function() {playerLoaded = true;});} else {setTimeout(isVideojsDefined, 10);}})();<\/script><\/div><\/videoplayer><\/div><\/div><\/div><\/p>\n<p>Play the video in full screen mode for a better viewing experience.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"thumbnail thumbnail_asset asset_overlay video\"><a href=\"https:\/\/blogs.mathworks.com\/videos\/2020\/02\/13\/debugging-code-started-from-windows-system-prompt\/?dir=autoplay\"><img decoding=\"async\" src=\"https:\/\/cf-images.us-east-1.prod.boltdns.net\/v1\/static\/62009828001\/129ca10c-bc1f-41cb-9c82-76d757599c61\/55fad74f-7368-4778-8647-846ef01186b3\/640x360\/match\/image.jpg\" onError=\"this.style.display ='none';\"\/><\/p>\n<div class=\"overlay_container\">\n      <span class=\"icon-video icon_color_null\"><time class=\"video_length\">8:44<\/time><\/span>\n      <\/div>\n<p>      <\/a><\/div>\n<p>I have a number of MATLAB functions that run daily, started from a batch file called by the Windows Task Manager. The .bat file contains lines like this calling the MATLAB executable with the -r&#8230; <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/videos\/2020\/02\/13\/debugging-code-started-from-windows-system-prompt\/\">read more >><\/a><\/p>\n","protected":false},"author":133,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[27,4],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/4525"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/users\/133"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/comments?post=4525"}],"version-history":[{"count":11,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/4525\/revisions"}],"predecessor-version":[{"id":4547,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/4525\/revisions\/4547"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/media?parent=4525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/categories?post=4525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/tags?post=4525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}