命令行，修改file工具类兼容utf-8 width bom的文本
命令行，修改file工具类兼容utf-8 width bom的文本

wisdomsword/egret-core,SmallAiTT/egret-core,jiangzhonghui/egret-core,unsilence/egret-core,Lanfei/egret-core,SamuelGavin/egret-core,SamuelGavin/egret-core,wl3780/egret-core,unsilence/egret-core,Lanfei/egret-core,SmallAiTT/egret-core,wisdomsword/egret-core,jarvys/egret-hacking,jiangzhonghui/egret-core,jarvys/egret-hacking,wl3780/egret-core