{"version":"1.0","provider_name":"Hatena Blog","author_name":"kiririmode","width":"100%","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","image_url":null,"height":"190","type":"rich","title":"Perl \u306b\u304a\u3051\u308b system \u95a2\u6570\u306e\u632f\u821e\u3044","url":"https://kiririmode.hatenablog.jp/entry/20081230/p1","blog_url":"https://kiririmode.hatenablog.jp/","published":"2008-12-30 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20081230%2Fp1\" title=\"Perl \u306b\u304a\u3051\u308b system \u95a2\u6570\u306e\u632f\u821e\u3044 - \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","author_url":"https://blog.hatena.ne.jp/kiririmode/","description":"\u307b\u3068\u3093\u3069\u306e\u8a00\u8a9e\u306b\u306f system \u3068\u3044\u3046\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u3066\uff0c\u3053\u308c\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff0e\u4f8b\u3048\u3070 C \u8a00\u8a9e\u3067\u306f\uff0csystem \u306b\u6e21\u3055\u308c\u305f\u5f15\u6570\u304c /bin/sh \u7d4c\u7531\u3067\u5b9f\u884c\u3055\u308c\u305f\u308a\u3057\u307e\u3059(ref: http://www.linux.or.jp/JM/html/LDP_man-pages/man3/system.3.html)\uff0ePerl \u306b\u3082\u3082\u3061\u308d\u3093 system \u304c\u5b58\u5728\u3057\u307e\u3059\u304c\uff0c\u5fc5\u305a\u3057\u3082\u30b7\u30a7\u30eb\u7d4c\u7531\u3067\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3088\u3046\u3067\u3059\uff0e use strict; use warnings; use Benchmark qw(cmpthese); cmpthe\u2026","categories":["perl"]}