{"id":2078,"date":"2016-11-18T07:44:10","date_gmt":"2016-11-18T13:44:10","guid":{"rendered":"https:\/\/www.wiredprairie.us\/blog\/?p=2078"},"modified":"2016-11-18T09:17:10","modified_gmt":"2016-11-18T15:17:10","slug":"tree-console-app-in-go","status":"publish","type":"post","link":"https:\/\/www.wiredprairie.us\/blog\/index.php\/archives\/2078","title":{"rendered":"Tree walking and display console app in Go"},"content":{"rendered":"<p>I hadn\u2019t done anything at all interesting in Go. And some might say, I still haven\u2019t. However, I wanted to do something that I\u2019d find occasionally useful.<\/p>\n<p>On Linux, this is already available, but the the Windows version is lacking. I wanted a tiny console app that would display a tree of the directory and file structure.<\/p>\n<p>So, that\u2019s what I built. <img class=\"wlEmoticon wlEmoticon-smile\" style=\"border-style: none;\" src=\"https:\/\/www.wiredprairie.us\/blog\/wp-content\/uploads\/2016\/11\/wlEmoticon-smile.png\" alt=\"Smile\" \/><\/p>\n<p>It\u2019s one small file with one external library dependency.<\/p>\n<p>I did notice that the Go packages for\u00a0directory scanning like <strong>ReadDir\u00a0<\/strong>suffer from a common issue when using the traditional Win32 APIs: they do not adequately handle file paths longer than about 250 characters. When you have NodeJS source code on your system with lots of deeply nested paths, many Windows programs fail miserably when doing file\/folder management operations (Windows Explorer, I&#8217;m looking at <strong>YOU<\/strong>).\u00a0<em>Using the one &#8220;easy&#8221; trick<\/em> of prepending the path with <strong>\\\\?\\<\/strong>, you can use the APIs like ReadDir reasonably reliably. Whereas in earlier versions of my tree app it would crash, it now can handle deeply nested directory structures.<\/p>\n<p><a href=\"https:\/\/www.wiredprairie.us\/blog\/wp-content\/uploads\/2016\/11\/image-2.png\"><img loading=\"lazy\" style=\"background-image: none; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border: 0px;\" title=\"image\" src=\"https:\/\/www.wiredprairie.us\/blog\/wp-content\/uploads\/2016\/11\/image_thumb-2.png\" alt=\"image\" width=\"499\" height=\"318\" border=\"0\" \/><\/a><\/p>\n<pre>go get\u00a0github.com\/fatih\/color<\/pre>\n<div class=\"oembed-gist\"><script src=\"https:\/\/gist.github.com\/wiredprairie\/e9ba85bdfb74799239fc974c2beeb0b8.js\"><\/script><noscript>View the code on <a href=\"https:\/\/gist.github.com\/wiredprairie\/e9ba85bdfb74799239fc974c2beeb0b8\">Gist<\/a>.<\/noscript><\/div>\n","protected":false},"excerpt":{"rendered":"<p>I hadn\u2019t done anything at all interesting in Go. And some might say, I still haven\u2019t. However, I wanted to do something that I\u2019d find occasionally useful. On Linux, this is already available, but the the Windows version is lacking. I wanted a tiny console app that would display a tree of the directory and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[4],"tags":[170],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pd5QIe-xw","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":175,"url":"https:\/\/www.wiredprairie.us\/blog\/index.php\/archives\/175","url_meta":{"origin":2078,"position":0},"title":"What&#8217;s the perfect API?","date":"May 5, 2008","format":false,"excerpt":"I was skimming a rant by someone on arstechnica about how badly messed up Win32 APIs are and how superior everything else is, when this paragraph grabbed my attention: The reason must be that no one in Microsoft actually gives a damn. Each group develops their own UI widgets in\u2026","rel":"","context":"In &quot;Coding&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1656,"url":"https:\/\/www.wiredprairie.us\/blog\/index.php\/archives\/1656","url_meta":{"origin":2078,"position":1},"title":"Adding an External Tool for Compiling LESS files in WebStorm (on Windows)","date":"April 27, 2012","format":false,"excerpt":"Interested in converting\/compiling LESS files into their CSS counterparts? Here are the steps (from version 4 of WebStorm from JetBrains). 1. Install Node JS 2. Install the node package (using npm) for less (remember where you install this as you\u2019ll need the path later): npm install less 3. In WebStorm,\u2026","rel":"","context":"In &quot;Coding&quot;","img":{"alt_text":"SNAGHTMLcd7f5f5","src":"https:\/\/i0.wp.com\/www.wiredprairie.us\/blog\/wp-content\/uploads\/2012\/04\/SNAGHTMLcd7f5f5_thumb.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2224,"url":"https:\/\/www.wiredprairie.us\/blog\/index.php\/archives\/2224","url_meta":{"origin":2078,"position":2},"title":"Flutter Demo application linking to BoardGameGeek.Com&#8217;s Hot Game List","date":"February 26, 2018","format":false,"excerpt":"I've built a slightly more interesting application using Flutter.\u00a0 Using an XML feed from BoardGameGeek's API, the application displays a list of the current hot games complete with thumbnail images. Here's the code. I used a standard Flutter app template and also added a few packages to the project. I've\u2026","rel":"","context":"In &quot;Coding&quot;","img":{"alt_text":"Hulk Smash Layout","src":"https:\/\/i0.wp.com\/www.wiredprairie.us\/blog\/wp-content\/uploads\/2018\/02\/2018-02-26-19_45_39-Hulk-Smash-Meme-Generator-Imgflip.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1541,"url":"https:\/\/www.wiredprairie.us\/blog\/index.php\/archives\/1541","url_meta":{"origin":2078,"position":3},"title":"Adobe Lightroom and exporting to subfolders","date":"February 8, 2012","format":false,"excerpt":"For some reason, versions 1 \u2013 3 of Adobe Lightroom cannot export images in a way that mirrors the original structure of your photo library. I can\u2019t offer a reason why other than it was missed by the development and design teams. There\u2019s been enough interest in it apparently that\u2026","rel":"","context":"In &quot;Photography&quot;","img":{"alt_text":"image","src":"https:\/\/i0.wp.com\/www.wiredprairie.us\/blog\/wp-content\/uploads\/2012\/02\/image2.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1524,"url":"https:\/\/www.wiredprairie.us\/blog\/index.php\/archives\/1524","url_meta":{"origin":2078,"position":4},"title":"Alternative to ApplicationSettings in .NET","date":"February 1, 2012","format":false,"excerpt":"After dealing with lost settings, an unclear upgrade path, and my own confusion surrounding the magic of Settings in a .NET client application, I decided to build my own. You\u2019re probably familiar with this UI in Visual Studio. It hasn\u2019t changed much since it was first created: A list of\u2026","rel":"","context":"In &quot;Coding&quot;","img":{"alt_text":"image","src":"https:\/\/i0.wp.com\/www.wiredprairie.us\/blog\/wp-content\/uploads\/2012\/02\/image.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1442,"url":"https:\/\/www.wiredprairie.us\/blog\/index.php\/archives\/1442","url_meta":{"origin":2078,"position":5},"title":"Nest Thermostat API\/Protocol","date":"January 8, 2012","format":false,"excerpt":"While Nest Labs hasn\u2019t released a formal (documented & supported) API, I thought I\u2019d do a bit of digging to see how they\u2019re using the network and what might be achievable. A few things are going on, the majority as you\u2019d probably expect. The web interface is using a long\u2026","rel":"","context":"In &quot;Coding&quot;","img":{"alt_text":"image","src":"https:\/\/i0.wp.com\/www.wiredprairie.us\/blog\/wp-content\/uploads\/2012\/01\/image_thumb7.png?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/posts\/2078"}],"collection":[{"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/comments?post=2078"}],"version-history":[{"count":5,"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/posts\/2078\/revisions"}],"predecessor-version":[{"id":2083,"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/posts\/2078\/revisions\/2083"}],"wp:attachment":[{"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/media?parent=2078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/categories?post=2078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wiredprairie.us\/blog\/index.php\/wpjson\/wp\/v2\/tags?post=2078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}