{"id":12661,"date":"2022-10-01T12:01:45","date_gmt":"2022-10-01T06:31:45","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/"},"modified":"2022-10-01T12:01:45","modified_gmt":"2022-10-01T06:31:45","slug":"solved-searching-for-the-newest-update-in-a-directory-c","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/","title":{"rendered":"[Solved] Searching for the newest update in a directory c#"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-36597287\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"36597287\" data-parentid=\"36597030\" data-score=\"1\" 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>You can use LINQ:<\/p>\n<pre><code>int updateInt = 0;\n\nvar mostRecendUpdate = Directory.EnumerateDirectories(updateDir)\n    .Select(path =&gt; new\n    {\n        fullPath = path,\n        directoryName = System.IO.Path.GetFileName(path) \/\/ returns f.e. Update15\n    })\n    .Where(x =&gt; x.directoryName.StartsWith(\"Update\"))    \/\/ precheck\n    .Select(x =&gt; new\n    {\n        x.fullPath, x.directoryName,\n        updStr = x.directoryName.Substring(\"Update\".Length) \/\/ returns f.e. \"15\"\n    })\n    .Where(x =&gt; int.TryParse(x.updStr, out updateInt))      \/\/ int-check and initialization of updateInt\n    .Select(x =&gt; new { x.fullPath, x.directoryName, update = updateInt })\n    .OrderByDescending(x =&gt; x.update)                       \/\/ main task: sorting\n    .FirstOrDefault();                                      \/\/ return newest update-infos\n\nif(mostRecendUpdate != null)\n{\n    string fullPath = mostRecendUpdate.fullPath;\n    int update = mostRecendUpdate.update;\n}\n<\/code><\/pre>\n<p>A cleaner version uses a method that returns an <code>int?<\/code> instead of using the local variable as out-parameter because LINQ should not cause such side-effects. They could be harmful.<\/p>\n<p>One note:  currently the query is case sensitive,  it won&#8217;t recognize <code>UPDATE11<\/code> as valid directory. If you want to compare case-insensitive you have to use the appropriate <code>StartsWith<\/code> overload:<\/p>\n<pre><code>.....\n.Where(x =&gt; x.directoryName.StartsWith(\"Update\", StringComparison.InvariantCultureIgnoreCase))    \/\/ precheck\n.....\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">0<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Searching for the newest update in a directory c# <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You can use LINQ: int updateInt = 0; var mostRecendUpdate = Directory.EnumerateDirectories(updateDir) .Select(path =&gt; new { fullPath = path, directoryName = System.IO.Path.GetFileName(path) \/\/ returns f.e. Update15 }) .Where(x =&gt; x.directoryName.StartsWith(&#8220;Update&#8221;)) \/\/ precheck .Select(x =&gt; new { x.fullPath, x.directoryName, updStr = x.directoryName.Substring(&#8220;Update&#8221;.Length) \/\/ returns f.e. &#8220;15&#8221; }) .Where(x =&gt; int.TryParse(x.updStr, out updateInt)) \/\/ int-check and &#8230; <a title=\"[Solved] Searching for the newest update in a directory c#\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/\" aria-label=\"More on [Solved] Searching for the newest update in a directory c#\">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":[324,578,3446],"class_list":["post-12661","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-linq","tag-updates"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Searching for the newest update in a directory c# - 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-searching-for-the-newest-update-in-a-directory-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Searching for the newest update in a directory c# - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You can use LINQ: int updateInt = 0; var mostRecendUpdate = Directory.EnumerateDirectories(updateDir) .Select(path =&gt; new { fullPath = path, directoryName = System.IO.Path.GetFileName(path) \/\/ returns f.e. Update15 }) .Where(x =&gt; x.directoryName.StartsWith(&quot;Update&quot;)) \/\/ precheck .Select(x =&gt; new { x.fullPath, x.directoryName, updStr = x.directoryName.Substring(&quot;Update&quot;.Length) \/\/ returns f.e. &quot;15&quot; }) .Where(x =&gt; int.TryParse(x.updStr, out updateInt)) \/\/ int-check and ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/\" \/>\n<meta property=\"og:site_name\" content=\"JassWeb\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-01T06:31:45+00:00\" \/>\n<meta name=\"author\" content=\"Kirat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kirat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/\"},\"author\":{\"name\":\"Kirat\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\"},\"headline\":\"[Solved] Searching for the newest update in a directory c#\",\"datePublished\":\"2022-10-01T06:31:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/\"},\"wordCount\":82,\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"keywords\":[\"c++\",\"linq\",\"updates\"],\"articleSection\":[\"Solved\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/\",\"url\":\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/\",\"name\":\"[Solved] Searching for the newest update in a directory c# - JassWeb\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#website\"},\"datePublished\":\"2022-10-01T06:31:45+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/jassweb.com\/solved\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"[Solved] Searching for the newest update in a directory c#\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/jassweb.com\/solved\/#website\",\"url\":\"https:\/\/jassweb.com\/solved\/\",\"name\":\"JassWeb\",\"description\":\"Build High-quality Websites\",\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/jassweb.com\/solved\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\",\"name\":\"Jass Web\",\"url\":\"https:\/\/jassweb.com\/solved\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png\",\"contentUrl\":\"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png\",\"width\":693,\"height\":132,\"caption\":\"Jass Web\"},\"image\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\",\"name\":\"Kirat\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750\",\"contentUrl\":\"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750\",\"caption\":\"Kirat\"},\"sameAs\":[\"http:\/\/jassweb.com\"],\"url\":\"https:\/\/jassweb.com\/solved\/author\/jaspritsinghghumangmail-com\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"[Solved] Searching for the newest update in a directory c# - JassWeb","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/","og_locale":"en_US","og_type":"article","og_title":"[Solved] Searching for the newest update in a directory c# - JassWeb","og_description":"[ad_1] You can use LINQ: int updateInt = 0; var mostRecendUpdate = Directory.EnumerateDirectories(updateDir) .Select(path =&gt; new { fullPath = path, directoryName = System.IO.Path.GetFileName(path) \/\/ returns f.e. Update15 }) .Where(x =&gt; x.directoryName.StartsWith(\"Update\")) \/\/ precheck .Select(x =&gt; new { x.fullPath, x.directoryName, updStr = x.directoryName.Substring(\"Update\".Length) \/\/ returns f.e. \"15\" }) .Where(x =&gt; int.TryParse(x.updStr, out updateInt)) \/\/ int-check and ... Read more","og_url":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/","og_site_name":"JassWeb","article_published_time":"2022-10-01T06:31:45+00:00","author":"Kirat","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Kirat","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/#article","isPartOf":{"@id":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/"},"author":{"name":"Kirat","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31"},"headline":"[Solved] Searching for the newest update in a directory c#","datePublished":"2022-10-01T06:31:45+00:00","mainEntityOfPage":{"@id":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/"},"wordCount":82,"publisher":{"@id":"https:\/\/jassweb.com\/solved\/#organization"},"keywords":["c++","linq","updates"],"articleSection":["Solved"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/","url":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/","name":"[Solved] Searching for the newest update in a directory c# - JassWeb","isPartOf":{"@id":"https:\/\/jassweb.com\/solved\/#website"},"datePublished":"2022-10-01T06:31:45+00:00","breadcrumb":{"@id":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/jassweb.com\/solved\/solved-searching-for-the-newest-update-in-a-directory-c\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/jassweb.com\/solved\/"},{"@type":"ListItem","position":2,"name":"[Solved] Searching for the newest update in a directory c#"}]},{"@type":"WebSite","@id":"https:\/\/jassweb.com\/solved\/#website","url":"https:\/\/jassweb.com\/solved\/","name":"JassWeb","description":"Build High-quality Websites","publisher":{"@id":"https:\/\/jassweb.com\/solved\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/jassweb.com\/solved\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/jassweb.com\/solved\/#organization","name":"Jass Web","url":"https:\/\/jassweb.com\/solved\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/","url":"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png","contentUrl":"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png","width":693,"height":132,"caption":"Jass Web"},"image":{"@id":"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31","name":"Kirat","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/image\/","url":"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750","contentUrl":"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750","caption":"Kirat"},"sameAs":["http:\/\/jassweb.com"],"url":"https:\/\/jassweb.com\/solved\/author\/jaspritsinghghumangmail-com\/"}]}},"_links":{"self":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts\/12661","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/comments?post=12661"}],"version-history":[{"count":0,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts\/12661\/revisions"}],"wp:attachment":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/media?parent=12661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/categories?post=12661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/tags?post=12661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}