{"categories":["PowerShell"],"blog_url":"https://yomon.hatenablog.com/","published":"2014-11-20 22:55:46","description":"\u307e\u305a\u3001.Net\u7684\u306bString\u306eIsNullOrEmpty\u3092\u4f7f\u3046\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002 PS > $foo = \"bar\" PS > [String]::IsNullOrEmpty($foo) False PowerShell\u3067\u306f\u5909\u6570\u3092bool\u306b\u30ad\u30e3\u30b9\u30c8\u3059\u308b\u3060\u3051\u3067\u3082\u540c\u3058\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 $stringNull = $null $stringEmpty = \"\" $stringNotEmpty = \"something\" $intNotEmpty = 100 [bool]$stringNull #->False $stringNull -as \"bool\" #->False [bool]$string\u2026","author_url":"https://blog.hatena.ne.jp/yomon8/","height":"190","url":"https://yomon.hatenablog.com/entry/2014/11/20/225546","version":"1.0","provider_name":"Hatena Blog","blog_title":"YOMON8.NET","width":"100%","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyomon.hatenablog.com%2Fentry%2F2014%2F11%2F20%2F225546\" title=\"PowerShell\u3067\u6587\u5b57\u5217\u306a\u3069\u306e\u5909\u6570\u306eNull\u307e\u305f\u306f\u7a7a\u6587\u5b57\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f - YOMON8.NET\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"yomon8","provider_url":"https://hatena.blog","image_url":null,"title":"PowerShell\u3067\u6587\u5b57\u5217\u306a\u3069\u306e\u5909\u6570\u306eNull\u307e\u305f\u306f\u7a7a\u6587\u5b57\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f"}