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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                假設有以下目錄結構,需要把當前目錄.下所有文件及文件夾(dst除外)復制到其子目錄dst文件夾下: ``` tree . ├── dst ├── file1.txt └── src ├── dir │ └── file3.txt └── file2.txt ``` 不能直接使用cp -a . dst: ``` cp: cannot copy a directory, ‘.’, into itself, ‘dst/.’ ``` 可行的一種方式: ``` ls | grep -v '^dst$' | xargs cp -at dst # grep -v:正則匹配取反 # cp -t: --target-directory=dir 表示將所有參數指定的源目錄/文件復制到目標目錄下 # cp -a: --archive 等同于 cp -dR --preserve=all ``` 執行結果: ``` tree . ├── dst │ ├── file1.txt │ └── src │ ├── dir │ │ └── file3.txt │ └── file2.txt ├── file1.txt └── src ├── dir │ └── file3.txt └── file2.txt ``` 如果當前目錄下有.開頭的隱藏文件也需要復制,則要使用 ``` ls -a | grep -v '^\(\.\{1,2\}\|dst\)$' | xargs cp -at dst ``` 注:需要把當前目錄.和上級目錄..也排除
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