{"id":1176,"date":"2020-01-16T18:33:03","date_gmt":"2020-01-16T18:33:03","guid":{"rendered":"https:\/\/golangbyexamples.com\/?p=1176"},"modified":"2020-02-23T18:30:04","modified_gmt":"2020-02-23T18:30:04","slug":"touch-file-golang","status":"publish","type":"post","link":"https:\/\/golangbyexamples.com\/touch-file-golang\/","title":{"rendered":"Touch a file in Go (Golang)"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Touching a file means<\/p>\n\n\n\n<ul class=\"has-medium-font-size wp-block-list\"><li>Create an empty file if the file doesn&#8217;t already exist<\/li><\/ul>\n\n\n\n<ul class=\"has-medium-font-size wp-block-list\"><li>If the file already exists then update the modified time of the file.<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package main\n\nimport (\n    \"fmt\"\n    \"log\"\n    \"os\"\n    \"time\"\n)\n\nfunc main() {\n    fileName := \"temp.txt\"\n    _, err := os.Stat(fileName)\n    if os.IsNotExist(err) {\n        file, err := os.Create(\"temp.txt\")\n        if err != nil {\n            log.Fatal(err)\n        }\n        defer file.Close()\n    } else {\n        currentTime := time.Now().Local()\n        err = os.Chtimes(fileName, currentTime, currentTime)\n        if err != nil {\n            fmt.Println(err)\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Output:<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\">When running the first time it will create the file. After the first time, it will update the modified time of the file.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Touching a file means Create an empty file if the file doesn&#8217;t already exist If the file already exists then update the modified time of the file. Output: When running the first&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[1],"tags":[161,38],"class_list":["post-1176","post","type-post","status-publish","format-standard","hentry","category-tech","tag-empty","tag-file"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Touch a file in Go (Golang) - Welcome To Golang By Example<\/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:\/\/golangbyexamples.com\/touch-file-golang\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Touch a file in Go (Golang) - Welcome To Golang By Example\" \/>\n<meta property=\"og:description\" content=\"Touching a file means Create an empty file if the file doesn&#8217;t already exist If the file already exists then update the modified time of the file. 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