{"id":20523,"date":"2024-03-15T20:36:12","date_gmt":"2024-03-15T20:36:12","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-does-python-handle-libraries-for-text-files\/"},"modified":"2024-03-21T18:17:40","modified_gmt":"2024-03-21T18:17:40","slug":"how-does-python-handle-libraries-for-text-files","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-does-python-handle-libraries-for-text-files\/","title":{"rendered":"How does Python handle libraries for text files?"},"content":{"rendered":"<p>There are many libraries in Python for handling text files, here are some commonly used ones:<\/p>\n<ol>\n<li>the open() function<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u6253\u5f00\u6587\u4ef6\u5e76\u8bfb\u53d6\u5185\u5bb9<\/span>\r\nfile = <span class=\"hljs-built_in\">open<\/span>(<span class=\"hljs-string\">'filename.txt'<\/span>, <span class=\"hljs-string\">'r'<\/span>)\r\ncontent = file.read()\r\nfile.close()\r\n\r\n<span class=\"hljs-comment\"># \u6253\u5f00\u6587\u4ef6\u5e76\u5199\u5165\u5185\u5bb9<\/span>\r\nfile = <span class=\"hljs-built_in\">open<\/span>(<span class=\"hljs-string\">'filename.txt'<\/span>, <span class=\"hljs-string\">'w'<\/span>)\r\nfile.write(<span class=\"hljs-string\">'Hello, World!'<\/span>)\r\nfile.close()\r\n<\/code><\/pre>\n<ol>\n<li>OS library<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> os\r\n\r\n<span class=\"hljs-comment\"># \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/span>\r\ncontent = os.popen(<span class=\"hljs-string\">'cat filename.txt'<\/span>).read()\r\n\r\n<span class=\"hljs-comment\"># \u5199\u5165\u6587\u4ef6\u5185\u5bb9<\/span>\r\nos.popen(<span class=\"hljs-string\">'echo \"Hello, World!\" &gt; filename.txt'<\/span>)\r\n<\/code><\/pre>\n<ol>\n<li>Input\/Output library<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> io\r\n\r\n<span class=\"hljs-comment\"># \u6253\u5f00\u6587\u4ef6\u5e76\u8bfb\u53d6\u5185\u5bb9<\/span>\r\n<span class=\"hljs-keyword\">with<\/span> io.<span class=\"hljs-built_in\">open<\/span>(<span class=\"hljs-string\">'filename.txt'<\/span>, <span class=\"hljs-string\">'r'<\/span>, encoding=<span class=\"hljs-string\">'utf-8'<\/span>) <span class=\"hljs-keyword\">as<\/span> file:\r\n    content = file.read()\r\n\r\n<span class=\"hljs-comment\"># \u6253\u5f00\u6587\u4ef6\u5e76\u5199\u5165\u5185\u5bb9<\/span>\r\n<span class=\"hljs-keyword\">with<\/span> io.<span class=\"hljs-built_in\">open<\/span>(<span class=\"hljs-string\">'filename.txt'<\/span>, <span class=\"hljs-string\">'w'<\/span>, encoding=<span class=\"hljs-string\">'utf-8'<\/span>) <span class=\"hljs-keyword\">as<\/span> file:\r\n    file.write(<span class=\"hljs-string\">'Hello, World!'<\/span>)\r\n<\/code><\/pre>\n<ol>\n<li>CSV library<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> csv\r\n\r\n<span class=\"hljs-comment\"># \u8bfb\u53d6CSV\u6587\u4ef6\u5185\u5bb9<\/span>\r\n<span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-built_in\">open<\/span>(<span class=\"hljs-string\">'filename.csv'<\/span>, <span class=\"hljs-string\">'r'<\/span>) <span class=\"hljs-keyword\">as<\/span> file:\r\n    reader = csv.reader(file)\r\n    <span class=\"hljs-keyword\">for<\/span> row <span class=\"hljs-keyword\">in<\/span> reader:\r\n        <span class=\"hljs-built_in\">print<\/span>(row)\r\n\r\n<span class=\"hljs-comment\"># \u5199\u5165CSV\u6587\u4ef6\u5185\u5bb9<\/span>\r\n<span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-built_in\">open<\/span>(<span class=\"hljs-string\">'filename.csv'<\/span>, <span class=\"hljs-string\">'w'<\/span>) <span class=\"hljs-keyword\">as<\/span> file:\r\n    writer = csv.writer(file)\r\n    writer.writerow([<span class=\"hljs-string\">'Name'<\/span>, <span class=\"hljs-string\">'Age'<\/span>])\r\n    writer.writerow([<span class=\"hljs-string\">'John'<\/span>, <span class=\"hljs-string\">'25'<\/span>])\r\n<\/code><\/pre>\n<ol>\n<li>pandas library<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> pandas <span class=\"hljs-keyword\">as<\/span> pd\r\n\r\n<span class=\"hljs-comment\"># \u8bfb\u53d6CSV\u6587\u4ef6\u5185\u5bb9<\/span>\r\ndf = pd.read_csv(<span class=\"hljs-string\">'filename.csv'<\/span>)\r\n\r\n<span class=\"hljs-comment\"># \u5199\u5165CSV\u6587\u4ef6\u5185\u5bb9<\/span>\r\ndf.to_csv(<span class=\"hljs-string\">'filename.csv'<\/span>, index=<span class=\"hljs-literal\">False<\/span>)\r\n<\/code><\/pre>\n<p>These are just some commonly used libraries, you can choose other suitable libraries according to your specific needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There are many libraries in Python for handling text files, here are some commonly used ones: the open() function # \u6253\u5f00\u6587\u4ef6\u5e76\u8bfb\u53d6\u5185\u5bb9 file = open(&#8216;filename.txt&#8217;, &#8216;r&#8217;) content = file.read() file.close() # \u6253\u5f00\u6587\u4ef6\u5e76\u5199\u5165\u5185\u5bb9 file = open(&#8216;filename.txt&#8217;, &#8216;w&#8217;) file.write(&#8216;Hello, World!&#8217;) file.close() OS library import os # \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9 content = os.popen(&#8216;cat filename.txt&#8217;).read() # \u5199\u5165\u6587\u4ef6\u5185\u5bb9 os.popen(&#8216;echo &#8220;Hello, World!&#8221; &gt; filename.txt&#8217;) [&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-20523","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 does Python handle libraries for text files? - 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-does-python-handle-libraries-for-text-files\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How does Python handle libraries for text files?\" \/>\n<meta property=\"og:description\" content=\"There are many libraries in Python for handling text files, here are some commonly used ones: the open() function # \u6253\u5f00\u6587\u4ef6\u5e76\u8bfb\u53d6\u5185\u5bb9 file = open(&#039;filename.txt&#039;, &#039;r&#039;) content = file.read() file.close() # \u6253\u5f00\u6587\u4ef6\u5e76\u5199\u5165\u5185\u5bb9 file = open(&#039;filename.txt&#039;, &#039;w&#039;) file.write(&#039;Hello, World!&#039;) file.close() OS library import os # \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9 content = os.popen(&#039;cat filename.txt&#039;).read() # \u5199\u5165\u6587\u4ef6\u5185\u5bb9 os.popen(&#039;echo &quot;Hello, World!&quot; &gt; filename.txt&#039;) [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-does-python-handle-libraries-for-text-files\/\" \/>\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=\"2024-03-15T20:36:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-21T18:17:40+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\" 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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-does-python-handle-libraries-for-text-files\/","og_locale":"en_US","og_type":"article","og_title":"How does Python handle libraries for text files?","og_description":"There are many libraries in Python for handling text files, here are some commonly used ones: the open() function # \u6253\u5f00\u6587\u4ef6\u5e76\u8bfb\u53d6\u5185\u5bb9 file = open('filename.txt', 'r') content = file.read() file.close() # \u6253\u5f00\u6587\u4ef6\u5e76\u5199\u5165\u5185\u5bb9 file = open('filename.txt', 'w') file.write('Hello, World!') file.close() OS library import os # \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9 content = os.popen('cat filename.txt').read() # \u5199\u5165\u6587\u4ef6\u5185\u5bb9 os.popen('echo \"Hello, World!\" &gt; filename.txt') 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