{"id":28551,"date":"2022-12-31T23:39:28","date_gmt":"2022-12-31T18:09:28","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-c-fstream-getline-parameters\/"},"modified":"2022-12-31T23:39:28","modified_gmt":"2022-12-31T18:09:28","slug":"solved-c-fstream-getline-parameters","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-c-fstream-getline-parameters\/","title":{"rendered":"[Solved] C++ fstream getline parameters"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-29187204\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"29187204\" data-parentid=\"29187063\" data-score=\"0\" 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>If you mean <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/en.cppreference.com\/w\/cpp\/io\/basic_istream\/getline\">std::basic_stream::getline()<\/a>, you provide a pointer to character array and the size of that array. You have to create the array somewhere by yourself. If some line is longer than <code>sz - 1<\/code>, only part of it with length <code>sz - 1<\/code> will be read.<\/p>\n<p>If you don&#8217;t know the maximum length of lines in the input file, it&#8217;s better to use <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/en.cppreference.com\/w\/cpp\/string\/basic_string\/getline\">std::getline()<\/a>, for example like this:<\/p>\n<pre><code>std::string line;\nstd::getline(file, line);\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved C++ fstream getline parameters <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] If you mean std::basic_stream::getline(), you provide a pointer to character array and the size of that array. You have to create the array somewhere by yourself. If some line is longer than sz &#8211; 1, only part of it with length sz &#8211; 1 will be read. If you don&#8217;t know the maximum length &#8230; <a title=\"[Solved] C++ fstream getline parameters\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-c-fstream-getline-parameters\/\" aria-label=\"More on [Solved] C++ fstream getline parameters\">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":[324,892],"class_list":["post-28551","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-fstream"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] C++ fstream getline parameters - 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-c-fstream-getline-parameters\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] C++ fstream getline parameters - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] If you mean std::basic_stream::getline(), you provide a pointer to character array and the size of that array. 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