rm用法之 删除除了某个文件之外的所有文件, extglob enable

因为目录下有很多文件，而且我欲排除的文件可能正在被使用，所以不能mv。

最后找到这样的命令：

Linux下除了某个文件外的其他文件全部删除，最简单的方法是# shopt -s extglob# rm -fr !(file1)

man bash

     If the extglob shell option is enabled using the shopt builtin, several extended pattern matching operators are recognized.  In the follow-       ing description, a pattern-list is a list of one or more patterns separated by a |.  Composite patterns may be formed using one or more  of       the following sub-patterns:              ?(pattern-list)                     Matches zero or one occurrence of the given patterns              *(pattern-list)                     Matches zero or more occurrences of the given patterns              +(pattern-list)                     Matches one or more occurrences of the given patterns              @(pattern-list)                     Matches one of the given patterns              !(pattern-list)                     Matches anything except one of the given patterns

更多用法可见：

http://blog.csdn.net/ciedecem/article/details/11978277