{"id":18676,"date":"2024-03-15T17:25:19","date_gmt":"2024-03-15T17:25:19","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/"},"modified":"2024-03-21T13:52:43","modified_gmt":"2024-03-21T13:52:43","slug":"how-can-c-language-use-eof-to-determine-the-end-of-a-file","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/","title":{"rendered":"How can C language use EOF to determine the end of a file?"},"content":{"rendered":"<p>In C language, we can use a combination of a while loop and the scanf function along with EOF (End of File) to determine if a file has ended. Below is an example code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n    FILE *file;\r\n    <span class=\"hljs-type\">int<\/span> num;\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u6253\u5f00\u6587\u4ef6<\/span>\r\n    file = fopen(<span class=\"hljs-string\">\"filename.txt\"<\/span>, <span class=\"hljs-string\">\"r\"<\/span>);\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u6253\u5f00\u6210\u529f<\/span>\r\n    <span class=\"hljs-keyword\">if<\/span> (file == <span class=\"hljs-literal\">NULL<\/span>) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u65e0\u6cd5\u6253\u5f00\u6587\u4ef6\\n\"<\/span>);\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">1<\/span>;\r\n    }\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6574\u6570\uff0c\u5e76\u5224\u65ad\u6587\u4ef6\u662f\u5426\u7ed3\u675f<\/span>\r\n    <span class=\"hljs-keyword\">while<\/span> (<span class=\"hljs-built_in\">fscanf<\/span>(file, <span class=\"hljs-string\">\"%d\"<\/span>, &amp;num) != EOF) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"%d\\n\"<\/span>, num);\r\n    }\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u5173\u95ed\u6587\u4ef6<\/span>\r\n    fclose(file);\r\n    \r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>In the code above, the fscanf function attempts to read one integer from the file each time and stores it in the num variable. When the fscanf function returns EOF, it means the file has ended and the loop stops. Otherwise, the integer read is printed on the screen. Finally, the opened file is closed. Please note that &#8220;filename.txt&#8221; in the code above is just an example file name, you need to change it to the correct file name according to your actual situation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C language, we can use a combination of a while loop and the scanf function along with EOF (End of File) to determine if a file has ended. Below is an example code: #include &lt;stdio.h&gt; int main() { FILE *file; int num; \/\/ \u6253\u5f00\u6587\u4ef6 file = fopen(&#8220;filename.txt&#8221;, &#8220;r&#8221;); \/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u6253\u5f00\u6210\u529f if (file == NULL) [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-18676","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>How can C language use EOF to determine the end of a file? - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How can C language use EOF to determine the end of a file?\" \/>\n<meta property=\"og:description\" content=\"In C language, we can use a combination of a while loop and the scanf function along with EOF (End of File) to determine if a file has ended. Below is an example code: #include &lt;stdio.h&gt; int main() { FILE *file; int num; \/\/ \u6253\u5f00\u6587\u4ef6 file = fopen(&quot;filename.txt&quot;, &quot;r&quot;); \/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u6253\u5f00\u6210\u529f if (file == NULL) [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-15T17:25:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-21T13:52:43+00:00\" \/>\n<meta name=\"author\" content=\"Sophia Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sophia Anderson\" \/>\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:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/\"},\"author\":{\"name\":\"Sophia Anderson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/19a24313de9c988db3d69226b4a40a30\"},\"headline\":\"How can C language use EOF to determine the end of a file?\",\"datePublished\":\"2024-03-15T17:25:19+00:00\",\"dateModified\":\"2024-03-21T13:52:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/\"},\"wordCount\":132,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/\",\"name\":\"How can C language use EOF to determine the end of a file? - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-15T17:25:19+00:00\",\"dateModified\":\"2024-03-21T13:52:43+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How can C language use EOF to determine the end of a file?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/19a24313de9c988db3d69226b4a40a30\",\"name\":\"Sophia Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c726c09aa40e37115fb5c62d0c3ed62c16ca255d3763e2e3ae83a70ddf8c2175?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c726c09aa40e37115fb5c62d0c3ed62c16ca255d3763e2e3ae83a70ddf8c2175?s=96&d=mm&r=g\",\"caption\":\"Sophia Anderson\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/sophiaanderson\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"How can C language use EOF to determine the end of a file? - Blog - Silicon Cloud","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:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/","og_locale":"en_US","og_type":"article","og_title":"How can C language use EOF to determine the end of a file?","og_description":"In C language, we can use a combination of a while loop and the scanf function along with EOF (End of File) to determine if a file has ended. Below is an example code: #include &lt;stdio.h&gt; int main() { FILE *file; int num; \/\/ \u6253\u5f00\u6587\u4ef6 file = fopen(\"filename.txt\", \"r\"); \/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u6253\u5f00\u6210\u529f if (file == NULL) [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-15T17:25:19+00:00","article_modified_time":"2024-03-21T13:52:43+00:00","author":"Sophia Anderson","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Sophia Anderson","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/"},"author":{"name":"Sophia Anderson","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/19a24313de9c988db3d69226b4a40a30"},"headline":"How can C language use EOF to determine the end of a file?","datePublished":"2024-03-15T17:25:19+00:00","dateModified":"2024-03-21T13:52:43+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/"},"wordCount":132,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/","url":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/","name":"How can C language use EOF to determine the end of a file? - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-15T17:25:19+00:00","dateModified":"2024-03-21T13:52:43+00:00","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/how-can-c-language-use-eof-to-determine-the-end-of-a-file\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How can C language use EOF to determine the end of a file?"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/19a24313de9c988db3d69226b4a40a30","name":"Sophia Anderson","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c726c09aa40e37115fb5c62d0c3ed62c16ca255d3763e2e3ae83a70ddf8c2175?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c726c09aa40e37115fb5c62d0c3ed62c16ca255d3763e2e3ae83a70ddf8c2175?s=96&d=mm&r=g","caption":"Sophia Anderson"},"url":"https:\/\/www.silicloud.com\/blog\/author\/sophiaanderson\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/18676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=18676"}],"version-history":[{"count":1,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/18676\/revisions"}],"predecessor-version":[{"id":52372,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/18676\/revisions\/52372"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=18676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=18676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=18676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}