怎样提取 感兴趣的行，并写入 另一个文件中？

[arjon]

如题！
请问：
vim 打开的buffer中有很多行， 我想把 其中的 含有 pattern 字符串的行 提取到 另一个文件 file中，
我用
：g/pattern/write file
发现不行。


请指点一二！Thks1

[懒蜗牛Gentoo]

非要用vim么？

cat filename |grep pattern >> file2

[eexpress]

学正则吧。

[GiL]

You can also "write" a specific portion of a file to a new filename. By prefixing the :up
command with a line range only the specified lines are written to the named file. For example,
:20,30up 20-30.txt saves lines twenty to thirty of the current buffer to a file named
20-30.txt. Alternatively, select a portion of a file visually then execute :up filename
and the text you selected will be written to a file named filename.

这个？