{"id":654,"date":"2019-04-14T10:52:22","date_gmt":"2019-04-14T01:52:22","guid":{"rendered":"https:\/\/itips.krsw.biz\/?p=654"},"modified":"2019-04-14T10:52:22","modified_gmt":"2019-04-14T01:52:22","slug":"python-command-line-argv","status":"publish","type":"post","link":"https:\/\/itips.krsw.biz\/en\/python-command-line-argv\/","title":{"rendered":"Get parameter from command line in Python (sys.argv)"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786-1024x683.jpg\" alt=\"Get parameter from command line in Python (sys.argv)\" width=\"800\" height=\"534\" class=\"alignnone size-large wp-image-139\" srcset=\"https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786-1024x683.jpg 1024w, https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786-640x427.jpg 640w, https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786-800x534.jpg 800w, https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786-320x214.jpg 320w, https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786-768x512.jpg 768w, https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786-400x267.jpg 400w, https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786-300x200.jpg 300w, https:\/\/itips.krsw.biz\/wp-content\/uploads\/2018\/12\/code_1545140786.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Get parameter from command line in Python.<\/p>\n<p>If you run a Python file with several settings, command line parameter is helpful.<br \/>\nYou can also pass variables from outside.<br \/>\nThis article introduce how to pass parameters from command line.<\/p>\n<p><!--more--><br \/>\n<\/br><\/p>\n<h2>What is command line ?<\/h2>\n<p>Command line is a system that you can control PC or server with command.<br \/>\nIn Windows, it is known as <strong>black window<\/strong> or <code>command prompt<\/code> .<br \/>\nIn Mac, it is called <code>Terminal<\/code> .<\/p>\n<p><\/br><\/p>\n<h2>How to pass parameters from command line<\/h2>\n<p>In oreder to pass parameters from command line to Python, you can use <code>sys.argv<\/code>.<\/p>\n<p>[python title=\"commandline-var.py\"]<br \/>\nimport sys<\/p>\n<p>args = sys.argv<br \/>\nfor v in args:<br \/>\n    print(v)<br \/>\n[\/python]<\/p>\n<p>You can run it like <code>python (file name) parameter1 parameter2 parameter3...<\/code> .<\/p>\n<p>[python title=\"Run\"]<br \/>\npython commandline-var.py a b c<br \/>\n[\/python]<\/p>\n<p>As you can see the result, parameter0 is file itself.<\/p>\n<p>[python title=\"Result\"]<br \/>\ncommandline-var.py<br \/>\na<br \/>\nb<br \/>\nc<br \/>\n[\/python]<\/p>\n<p>Reference<br \/>\n<a href=\"https:\/\/qiita.com\/taashi\/items\/07bf75201a074e208ae5\">Recaive command line parameter in Python - Qiita<\/a><\/p>\n<p><\/br><\/p>\n<h2>Finally<\/h2>\n<ul>\n<li>In oreder to pass parameters from command line to Python, you can use <code>sys.argv<\/code>. <\/li>\n<\/ul>\n<p><\/br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Get parameter from command line in Python. If you run a Python file with several settings, command l &#8230; <\/p>\n","protected":false},"author":1,"featured_media":139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"en_US","_original_post":"650","footnotes":""},"categories":[6],"tags":[],"class_list":["post-654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","en-US"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Get parameter from command line in Python (sys.argv) - ITips\u30b7\u30b9\u30c6\u30e0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30ba<\/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:\/\/itips.krsw.biz\/en\/python-command-line-argv\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Get parameter from command line in Python (sys.argv) - ITips\u30b7\u30b9\u30c6\u30e0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30ba\" \/>\n<meta property=\"og:description\" content=\"Get parameter from command line in Python. 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