{"id":11912,"date":"2024-03-14T14:56:35","date_gmt":"2024-03-14T14:56:35","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-is-the-filesystem-utilized-in-c\/"},"modified":"2025-08-04T18:49:06","modified_gmt":"2025-08-04T18:49:06","slug":"how-is-the-filesystem-utilized-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-is-the-filesystem-utilized-in-c\/","title":{"rendered":"C++17 Filesystem: Usage &#038; Examples"},"content":{"rendered":"<p>C++17 introduced a standard library that includes a set of classes and functions for managing files and directories in the file system. With this library, it is easy to perform various operations on files and directories, such as creating, copying, moving, deleting files or directories, traversing directories, and obtaining file attributes.<\/p>\n<p>Here are some common uses of the library:<\/p>\n<ol>\n<li>Create a directory.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;filesystem&gt;<\/span><\/span>\r\n\r\nstd::filesystem::<span class=\"hljs-built_in\">create_directory<\/span>(<span class=\"hljs-string\">\"path\/to\/directory\"<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>Create a file.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;filesystem&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-function\">std::ofstream <span class=\"hljs-title\">file<\/span><span class=\"hljs-params\">(<span class=\"hljs-string\">\"path\/to\/file.txt\"<\/span>)<\/span><\/span>;\r\n<\/code><\/pre>\n<ol>\n<li>Copy files:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;filesystem&gt;<\/span><\/span>\r\n\r\nstd::filesystem::<span class=\"hljs-built_in\">copy<\/span>(<span class=\"hljs-string\">\"source_file.txt\"<\/span>, <span class=\"hljs-string\">\"destination_file.txt\"<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>Move files:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;filesystem&gt;<\/span><\/span>\r\n\r\nstd::filesystem::<span class=\"hljs-built_in\">rename<\/span>(<span class=\"hljs-string\">\"source_file.txt\"<\/span>, <span class=\"hljs-string\">\"destination_file.txt\"<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>\nDelete a file or directory.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;filesystem&gt;<\/span><\/span>\r\n\r\nstd::filesystem::<span class=\"hljs-built_in\">remove<\/span>(<span class=\"hljs-string\">\"path\/to\/file_or_directory\"<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>Traverse directory:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;filesystem&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">const<\/span> <span class=\"hljs-keyword\">auto<\/span>&amp; entry : std::filesystem::<span class=\"hljs-built_in\">directory_iterator<\/span>(<span class=\"hljs-string\">\"path\/to\/directory\"<\/span>)) {\r\n    std::cout &lt;&lt; entry.<span class=\"hljs-built_in\">path<\/span>() &lt;&lt; std::endl;\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>Obtain file properties.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;filesystem&gt;<\/span><\/span>\r\n\r\nstd::filesystem::file_status status = std::filesystem::<span class=\"hljs-built_in\">status<\/span>(<span class=\"hljs-string\">\"path\/to\/file.txt\"<\/span>);\r\n<span class=\"hljs-keyword\">if<\/span> (std::filesystem::<span class=\"hljs-built_in\">is_regular_file<\/span>(status)) {\r\n    std::cout &lt;&lt; <span class=\"hljs-string\">\"Regular file\"<\/span> &lt;&lt; std::endl;\r\n}\r\n<\/code><\/pre>\n<p>These are some common uses in the library that can be flexibly applied according to specific needs. It is important to note that the classes and functions in the library are defined in the std::filesystem namespace.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C++17 introduced a standard library that includes a set of classes and functions for managing files and directories in the file system. With this library, it is easy to perform various operations on files and directories, such as creating, copying, moving, deleting files or directories, traversing directories, and obtaining file attributes. Here are some common [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[647,15503,949,951,15504],"class_list":["post-11912","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c-standard-library","tag-c17-filesystem","tag-directory-management","tag-file-operations","tag-filesystem-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++17 Filesystem: Usage &amp; Examples - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Master C++17 filesystem operations: create\/copy\/delete files, manage directories, and access attributes with practical examples.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-is-the-filesystem-utilized-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++17 Filesystem: Usage &amp; 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