Renaming files

• 普通模式下输入:h rename-files

Renaming files                                          *rename-files*

Say I have a directory with the following files in them (directory picked at
random :-):       

buffer.c
charset.c
digraph.c
...

and I want to rename *.c *.bla.  I'd do it like this:

        $ vim
        :r !ls *.c
        :%s/\(.*\).c/mv & \1.bla
        :w !sh
        :q!

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• :r !ls *.c 将文件名读入缓冲区
• :%s/(.).c/mv & \1.bla 中(.)明显就是分组啦，\1就是后向引用，$应该是引用前面的整个内容吧，这个之前没有看到过，mv就是重命名啦
• :w !sh 在当前shell中执行当前缓冲区的每行内容

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