cp - copy files and directories - 拷贝文件或目录
1. DESCRIPTION
Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.
复制文件或目录。
Mandatory arguments to long options are mandatory for short options too.
长选项的强制性参数对于短选项也是必需的。
cp file directory/ - cp file directory
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./cheng/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 5 22:07 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 20:16 ../
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ cp yongqiang.txt ./cheng/
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./cheng/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:19 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 20:16 ../
-rw-rw-rw- 1 yongqiang yongqiang 0 Jun 20 21:19 yongqiang.txt
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./cheng/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:20 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 20:16 ../
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ cp yongqiang.txt ./cheng
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./cheng/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:21 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 20:16 ../
-rw-rw-rw- 1 yongqiang yongqiang 0 Jun 20 21:21 yongqiang.txt
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
cp -r directory1/ directory2/ - cp -r directory1/ directory2
将 directory1 及其 directory1 下包含的文件复制到 directory2 下。
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./cheng/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:21 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 21:48 ../
-rw-rw-rw- 1 yongqiang yongqiang 0 Jun 20 21:21 yongqiang.txt
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./yong/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:48 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 21:48 ../
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ cp -r ./cheng/ ./yong
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./yong/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:49 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 21:48 ../
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:49 cheng/
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./yong/cheng/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:49 ./
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:49 ../
-rw-rw-rw- 1 yongqiang yongqiang 0 Jun 20 21:49 yongqiang.txt
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
-f, --force
if an existing destination file cannot be opened, remove it and try again (this option is ignored when the -n option is also used)
如果无法打开现有的目标文件，请将其删除并重试 （当同时使用 -n 选项时，此选项将被忽略）。
-i, --interactive
prompt before overwrite (overrides a previous -n option).
询问，如果目标文件已经存在，则会询问是否覆盖。
-l, --link
hard link files instead of copying.
目标文件建立为源文件的硬链接文件，而不是复制源文件。
-R, -r, --recursive
copy directories recursively.
递归复制。
-s, --symbolic-link
make symbolic links instead of copying.
目标文件建立为源文件的软链接文件，而不是复制源文件。
-v, --verbose
explain what is being done.
--help
display this help and exit
--version
output version information and exit.
源文件有多个时，目标文件必须是目录可以。
cp -r directory1/* directory2/ - cp -r directory1/* directory2
directory1 下的文件复制到 directory2，不包括 directory1 目录。
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./cheng/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:21 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 21:48 ../
-rw-rw-rw- 1 yongqiang yongqiang 0 Jun 20 21:21 yongqiang.txt
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./yong/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:58 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 21:48 ../
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ cp -r ./cheng/* ./yong
yong/ yongqiang/ yongqiang.txt
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ cp -r ./cheng/* ./yong/
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ ll ./yong/
total 0
drwxrwxrwx 1 yongqiang yongqiang 512 Jun 20 21:59 ./
drwxr-xr-x 1 yongqiang yongqiang 512 Jun 20 21:48 ../
-rw-rw-rw- 1 yongqiang yongqiang 0 Jun 20 21:59 yongqiang.txt
(pt-1.4_py-3.6) yongqiang@yongqiang:~$
cp file1 file2
指定所需的文件名 file2，file1 复制并重命名为 file2。
(pt-1.4_py-3.6) yongqiang@yongqiang:~$ cp ./foreverstrong.txt ./yongqiang.txt