{"url":"https://kazuhooku.hatenadiary.org/entry/20100105/1262637617","author_url":"https://blog.hatena.ne.jp/kazuhooku/","published":"2010-01-05 05:40:17","provider_url":"https://hatena.blog","height":"190","blog_title":"kazuho\u306e\u30e1\u30e2\u7f6e\u304d\u5834","categories":[],"title":"\u3081\u3093\u3069\u3046\u306a\u306e\u3067\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u76e3\u8996\u3092\u30ef\u30f3\u30e9\u30a4\u30ca\u30fc\u3067crontab\u306b\u66f8\u3044\u305f","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkazuhooku.hatenadiary.org%2Fentry%2F20100105%2F1262637617\" title=\"\u3081\u3093\u3069\u3046\u306a\u306e\u3067\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u76e3\u8996\u3092\u30ef\u30f3\u30e9\u30a4\u30ca\u30fc\u3067crontab\u306b\u66f8\u3044\u305f - kazuho\u306e\u30e1\u30e2\u7f6e\u304d\u5834\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"15 3 * * * perl -wle 'my $s = `/bin/df -k`; print $s if $s =~ m{^/dev/.* (9[0-9]|100)\\%}m'df \u306b\u9650\u3089\u305a\u3001\u30b3\u30de\u30f3\u30c9\u306e\u7d50\u679c\u3092\u6b63\u898f\u8868\u73fe\u3067\u6bd4\u8f03\u3057\u3066\u554f\u984c\u304c\u3042\u3063\u305f\u3089print\u3001\u3063\u3066\u306e\u306fcrontab\u3067\u76e3\u8996\u3059\u308b\u6642\u306e\u57fa\u672c\u7684\u306a\u30a4\u30c7\u30a3\u30aa\u30e0\u8981\u51fa\u5178\u3002\u3082\u3061\u308d\u3093\u3001backquote\u3058\u3083\u306a\u304f\u3066\u30d1\u30a4\u30d7\u3067\u7e4b\u3044\u3067\u3082\u3044\u3044\u3002","blog_url":"https://kazuhooku.hatenadiary.org/","type":"rich","author_name":"kazuhooku","version":"1.0","width":"100%","image_url":null}