{"id":45,"date":"2021-04-01T22:34:35","date_gmt":"2021-04-01T21:34:35","guid":{"rendered":"https:\/\/alessandromasciadri.com\/?p=45"},"modified":"2022-07-21T18:58:38","modified_gmt":"2022-07-21T16:58:38","slug":"come-leggere-e-scrivere-file-csv-con-python","status":"publish","type":"post","link":"https:\/\/alessandromasciadri.com\/come-leggere-e-scrivere-file-csv-con-python\/","title":{"rendered":"Come leggere e scrivere file csv con Python"},"content":{"rendered":"\t\t<div data-akihiro-type=\"ama-post\" data-akihiro-id=\"45\" class=\"akihiro akihiro-45\" data-akihiro-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"akihiro-section akihiro-top-section akihiro-element akihiro-element-5dd5204a akihiro-section-boxed akihiro-section-height-default akihiro-section-height-default\" data-id=\"5dd5204a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"akihiro-container akihiro-column-gap-default\">\n\t\t\t\t\t<div class=\"akihiro-column akihiro-col-100 akihiro-top-column akihiro-element akihiro-element-93421a7\" data-id=\"93421a7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"akihiro-widget-wrap akihiro-element-populated\">\n\t\t\t\t\t\t<div class=\"akihiro-element akihiro-element-c48bd95 akihiro-widget akihiro-widget-text-editor\" data-id=\"c48bd95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Il formato CSV (Comma Separated Values) \u00e8 il formato pi\u00f9 comunemente utilizzato per le operazioni di import ed export effettuate su fogli di calcolo e databases.<\/p>\n<p>Python mette a disposizione un modulo che permette di gestire facilmente questo tipo di file. Il modulo csv di Python implementa una serie di funzioni e classi che permettono un&#8217;agile gestione dei file CSV.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-e9b5f50 akihiro-widget akihiro-widget-heading\" data-id=\"e9b5f50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t<h4 class=\"akihiro-heading-title akihiro-size-default\">Lettura di un file<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-460638c akihiro-widget akihiro-widget-code-highlight\" data-id=\"460638c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-okaidia copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-python line-numbers\">\n\t\t\t\t<code readonly=\"true\" class=\"language-python\">\n\t\t\t\t\t<xmp>import csv\r\nwith open(\"foo.csv\") as csvfile:\r\n  spamreader = csv.reader(csvfile)\r\n  for row in spamreader:\r\n    print(row)<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-d67ef10 akihiro-widget akihiro-widget-heading\" data-id=\"d67ef10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t<h4 class=\"akihiro-heading-title akihiro-size-default\">Scrittura di un file<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-3dac6ba akihiro-widget akihiro-widget-code-highlight\" data-id=\"3dac6ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-okaidia copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-python line-numbers\">\n\t\t\t\t<code readonly=\"true\" class=\"language-python\">\n\t\t\t\t\t<xmp>import csv\r\nwith open('foo.csv', 'w', newline='') as csvfile:\r\n  spamwriter = csv.writer(csvfile)\r\n  spamwriter.writerow(['Spam'] * 5 + ['Baked Beans'])\r\n  spamwriter.writerow(['Spam', 'Lovely Spam', 'Wonderful Spam'])<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-ffe07d7 akihiro-widget akihiro-widget-text-editor\" data-id=\"ffe07d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La documentazione completa si trova <a href=\"https:\/\/docs.python.org\/3\/library\/csv.html\">qui<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Il formato CSV (Comma Separated Values) \u00e8 il formato pi\u00f9 comunemente utilizzato per le operazioni di import ed export effettuate su fogli di calcolo e databases. Python mette a disposizione un modulo che permette di gestire facilmente questo tipo di file. Il modulo csv di Python implementa una serie di funzioni e classi che permettono [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[2],"class_list":["post-45","post","type-post","status-publish","format-standard","hentry","category-programmazione","tag-code"],"_links":{"self":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/45","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/comments?post=45"}],"version-history":[{"count":10,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/45\/revisions"}],"predecessor-version":[{"id":885,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/45\/revisions\/885"}],"wp:attachment":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/media?parent=45"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/categories?post=45"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/tags?post=45"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}