在OS X下安装Safari插件时，大多数插件的安装包索取root权限，并将插件安装到/Library/Internet Plug-Ins/下。但这并不是必须的，事实上，几乎所有插件都可以用user权限安装到~/Library/Internet Plug-Ins/下，并且不会产生任何问题。不少插件的安装包会利用root权限安装一些其他的程序、启动项等到系统当中，这或许是出于用户利益的考虑，但这也会使部分人产生警惕与忧虑。
本项目提供了一系列脚本，用于将特定的Safari插件以user权限安装到~/Library/Internet Plug-Ins/下，并且只安装插件本身，而不安装其他任何非必须的部分。
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安装Flash插件：
$ bash flash.sh -
安装支付宝插件：
$ bash alipay.sh -
安装工商银行插件：
$ bash icbc.sh
若要更新上述插件，再次执行以上命令即可。
Flash插件安装脚本修改自： https://gist.github.com/stefanschmidt/9510292
对于使用本项目安装插件的各种可能的损害，脚本作者不承担任何责任。您需要自行斟酌是否使用本项目安装插件，如果您对相关知识不甚了解，请避免使用本项目。
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