目录一、目录与文件查看:探索文件系统1. ls命令:查看文件列表(重要)2. pwd:显示当前所在位置3. cd:进入指定路径二、文件与目录操作:创建、修改与删除的基本技能1. touch:创建空文件与更新时间戳2. mkdir:目
I have a NSMutableArray I get by loading a plist into it. The date field comes in as a string and i want to change it into a nsdate. I can change an nsstring into an nsdate.