{"id":237,"date":"2021-12-10T09:35:19","date_gmt":"2021-12-10T01:35:19","guid":{"rendered":"http:\/\/purplepoolobservatory.com\/?p=237"},"modified":"2021-12-10T09:35:19","modified_gmt":"2021-12-10T01:35:19","slug":"multi-dimensional-hashes-in-perl","status":"publish","type":"post","link":"https:\/\/purplepoolobservatory.com\/?p=237","title":{"rendered":"Multi-dimensional hashes in Perl"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>Multi dimensional hashes in Perl\n\u7f16\u8f91\u5220\u9664\u8f6c\u8f7d2016-06-07 06:57:28\n\u6807\u7b7e\uff1alinux\nfrom: http:\/\/perlmaven.com\/multi-dimensional-hashes\n\nperl\u4e2d\u7684\u7ed3\u6784\u4f53\u200b\n\n#!\/usr\/bin\/perl\nuse strict;\nuse warnings;\nuse Data::Dumper qw(Dumper);\n\n \n\nmy %grades;\n$grades{\"Foo Bar\"}{Mathematics}   = 97;\n$grades{\"Foo Bar\"}{Literature}    = 67;\n$grades{\"Peti Bar\"}{Literature}   = 88;\n$grades{\"Peti Bar\"}{Mathematics}  = 82;\n$grades{\"Peti Bar\"}{Art}          = 99;\nprint Dumper \\%grades;\nprint \"----------------\\n\";\n\n \n\nforeach my $name (sort keys %grades) {\n    foreach my $subject (keys %{ $grades{$name} }) {\n        print \"$name, $subject: $grades{$name}{$subject}\\n\";\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-237","post","type-post","status-publish","format-gallery","hentry","category-technology","post_format-post-format-gallery"],"_links":{"self":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=237"}],"version-history":[{"count":1,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/237\/revisions"}],"predecessor-version":[{"id":238,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=\/wp\/v2\/posts\/237\/revisions\/238"}],"wp:attachment":[{"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/purplepoolobservatory.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}