是否有与 unix 中的 file 命令等效的 java 库 [英] Is there a java library equivalent to file command in unix
问题描述
有没有类似unix命令file的java库?
Is there any java library that is similar to unix's command file?
即:
$ file somepicture.png
somepicture.png PNG image, 805 x 292, 8-bit/color RGB, non-interlaced
file 命令真是个好工具.我需要一些可以告诉我文件是否真的是我想要的东西.(即图片、文档等)
The file command is such a nice tool. I need something that can tell me if the file is really what I want it to be. (ie a picture, document etc)
我知道我可以运行命令 file，但我正在寻找一个 java 库，而不是运行实际的 unix 命令.
I know I can run the command file, but I am looking for a java library, not running the actual unix command.
推荐答案
快速谷歌搜索(对于公认的非显而易见的)"java魔术文件检测" 带来了一篇相当漂亮的文章，"Get the Mime Type from a File" 建议您使用以下选项之一:
A quick google search (for the admittedly non-obvious) "java magic file detection" brings up a fairly nice looking article, "Get the Mime Type from a File" which suggests you use one of the following:
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