{"description":"encode \u304c\u3042\u3063\u3066 decode \u304c\u306a\u3044\u306e\u306f\u30af\u30bd\u307f\u305f\u3044\u3060\u306a\u3063\u3066\u3053\u3068\u3067\u3057\u305f\u306e\u3067\u3064\u304f\u3063\u305f\uff0e http://d.hatena.ne.jp/kiririmode/20080831 sub base64_decode { my $encoded = shift; my @chars = map { ord } split //, $encoded; my $ans; while( my @group4 = splice @chars, 0, 4 ) { no warnings 'uninitialized'; @group4 = map { ($_ eq '=')? 0 : $_ } @group4\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080902%2Fp2\" title=\"Base64 (decode) \u306e PurePerl \u5b9f\u88c5 - \u7406\u7cfb\u5b66\u751f\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>","provider_url":"https://hatena.blog","blog_url":"https://kiririmode.hatenablog.jp/","image_url":null,"provider_name":"Hatena Blog","height":"190","published":"2008-09-02 00:00:01","width":"100%","url":"https://kiririmode.hatenablog.jp/entry/20080902/p2","version":"1.0","title":"Base64 (decode) \u306e PurePerl \u5b9f\u88c5","categories":["perl"],"author_name":"kiririmode","type":"rich","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/kiririmode/"}