a666666 https://blog.hatena.ne.jp/a666666/ @kyanny's blog https://blog.kyanny.me/ Perl うまく説明できないけど、 #3. のブロックが pass して欲しい。 #!/usr/local/bin/perl # $Id$ use strict; use warnings; use Test::More; plan 'no_plan'; use Encode; my $kanji = '騙'; { #1. pass my $hex = "\xf1\xd9"; is $hex, to_euc($kanji); }; { #2. fail my $hex = '\xf1\xd9'; is $hex, to_euc($kanji); }; { #3. fail... my $hex = '\… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.kyanny.me%2Fentry%2F20081226%2F1230296903" title=" &#39;\xf1\xd9&#39; みたいな16進数文字列を変数展開？して「騙」って漢字にしたい - @kyanny&#39;s blog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-12-26 22:08:23 rich https://blog.kyanny.me/entry/20081226/1230296903 1.0 100%