bash 如何复制用grep找到的文件
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How to copy files found with grep
提问by user6372336
I am running this command to find all my files that contain (with help of regex)"someStrings" in a tree directory.
我正在运行此命令以在树目录中查找包含（在正则表达式的帮助下）“someStrings”的所有文件。
grep -lir '^beginString' ./ -exec cp -r {} /home/user/DestinationFolder \;
It found files like this:
它找到了这样的文件：
FOLDER
a.txt
-->SUBFOLDER
a.txt
---->SUBFOLDER
a.txt
I want to copy all files and folder, with the same schema, to the destination folder, but i don't know how to do it. It's important copy files and folder, because several files found has the same name and I need to keep it.
我想将具有相同架构的所有文件和文件夹复制到目标文件夹，但我不知道该怎么做。复制文件和文件夹很重要，因为找到的几个文件具有相同的名称，我需要保留它。
回答by F. Hauri
Try this:
尝试这个：
find . -type f -exec grep -q '^beginString' {} \; -exec cp -t /home/user/DestinationFolder {} +
or
或者
grep -lir '^beginString' . | xargs cp -t /home/user/DestinationFolder
But if you want to keep directory structure, you could:
但是如果你想保持目录结构，你可以：
grep -lir '^beginString' . | tar -T - -c | tar -xpC /home/user/DestinationFolder
or if like myself, you prefer to be sure about kind of file you store (only file, no symlinks), you could:
或者如果像我一样，您更喜欢确定您存储的文件类型（只有文件，没有符号链接），您可以：
find . -type f -exec grep -l '^beginString' {} + | tar -T - -c |
tar -xpC /home/user/DestinationFolder
