{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsironekotoro.hateblo.jp%2Fentry%2F2021%2F07%2F25%2F012339\" title=\"Perl \u3067\u91cd\u8907\u3057\u305f\u5024\u3092\u307f\u3064\u3051\u308b - sironekotoro\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"categories":[],"blog_title":"sironekotoro\u306e\u65e5\u8a18","provider_url":"https://hatena.blog","width":"100%","type":"rich","provider_name":"Hatena Blog","title":"Perl \u3067\u91cd\u8907\u3057\u305f\u5024\u3092\u307f\u3064\u3051\u308b","height":"190","blog_url":"https://sironekotoro.hateblo.jp/","description":"\u9023\u4f11\u524d\u306e\u51fa\u6765\u4e8b \u696d\u52d9\u3067\u30011 \u301c 1500 \u306e\u6570\u5b57\u306e\u4e2d\u304b\u3089\u91cd\u8907\u3057\u3066\u3044\u308b\u3082\u306e\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u305d\u306e\u6642\u306b 1 \u5206\u304f\u3089\u3044\u3067\u66f8\u3044\u305f\u306e\u304c\u4ee5\u4e0b\u306e Perl \u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3059\u3002 #!/usr/bin/env perl use strict; use warnings; my %hash; for my $line (<DATA>) { chomp $line; $hash{$line}++; } for my $num ( sort keys %hash ) { if ( $hash{$num} > 1 ) { print $num , \"\\n\"; # 3 6 } } __DATA__ 1 2 3 3 4 \u2026","url":"https://sironekotoro.hateblo.jp/entry/2021/07/25/012339","published":"2021-07-25 01:23:39","author_url":"https://blog.hatena.ne.jp/sironekotoro/","version":"1.0","author_name":"sironekotoro"}