{"width":"100%","version":"1.0","height":"190","url":"https://moroto1122.hatenadiary.org/entry/20100401/1270127015","blog_url":"https://moroto1122.hatenadiary.org/","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/moroto1122/","blog_title":"Web\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u6280\u8853\u30e1\u30e2\u3000\u301cPHP\u3001SQL\u3001Linux\u306a\u3069\u301c","author_name":"moroto1122","type":"rich","title":"\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u4e0a\u66f8\u304d\u7981\u6b62","published":"2010-04-01 22:03:35","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmoroto1122.hatenadiary.org%2Fentry%2F20100401%2F1270127015\" title=\"\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306b\u3088\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u4e0a\u66f8\u304d\u7981\u6b62 - Web\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u6280\u8853\u30e1\u30e2\u3000\u301cPHP\u3001SQL\u3001Linux\u306a\u3069\u301c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"set -o noclobber\u89e3\u9664\u3059\u308b\u306b\u306f+o\u3068\u3059\u308b set +o noclobber\u4f8b\uff09hoge.txt\u3078\u306e\u66f8\u304d\u8fbc\u307f\u7981\u6b62\u3068\u89e3\u9664 [user@system user]$ cat hoge.txt hoge [user@system user]$ echo fuga > hoge.txt [user@system user]$ cat hoge.txt fuga [user@system user]$ set -o noclobber [user@system user]$ echo hoge > hoge.txt bash: hoge.txt: cannot overwrite existi\u2026","image_url":null,"categories":["Linux"]}