# 使用ma-cli obs-copy命令复制OBS数据
使用**ma-cli obs-copy \[SRC\] \[DST\]**可以实现本地和OBS文件或文件夹的相互复制。
```
$ma-cli obs-copy -h
Usage: ma-cli obs-copy [OPTIONS     ] SRC DST
  Copy file or directory to between OBS and local path. Example:
  # Upload local file to OBS path
  ma-cli obs-copy ./test.zip obs://your-bucket/copy-data/
  # Upload local directory to OBS path
  ma-cli obs-copy ./test/ obs://your-bucket/copy-data/
  # Download OBS file to local path
  ma-cli obs-copy obs://your-bucket/copy-data/test.zip ./test.zip
  # Download OBS directory to local path
  ma-cli obs-copy obs://your-bucket/copy-data/ ./test/
Options:
  -d, --drop-last-dir     Whether to drop last directory when copy folder. if True, the last directory of the source folder will not copy to the destination folder.  [default: False]
  -C, --config-file PATH  Configure file path for authorization.
  -D, --debug             Debug Mode. Shows full stack trace when error occurs.
  -P, --profile TEXT      CLI connection profile to use. The default profile is "DEFAULT".
  -H, -h, --help          Show this message and exit.
```
表1参数说明 
| **参数名**              | **参数类型** | **是否必选** | **参数说明**                                      |
|:---|:---|:---|:---|
| -d / --drop-last-dir | Bool     | 否        | 如果指定，在复制文件夹时不会将源文件夹最后一级目录复制至目的文件夹下，仅对文件夹复制有效。 |
   
#### 命令示例
# 上传文件到OBS中
```
$ ma-cli obs-copy ./test.csv obs://${your_bucket}/test-copy/
[ OK ] local src path: [ /home/ma-user/work/test.csv ]
[ OK ] obs dst path: [ obs://${your_bucket}/test-copy/ ]
```
# 上传文件夹到OBS中，对应上传到OBS的目录为obs://${your_bucket}/test-copy/data/
```
$ ma-cli obs-copy /home/ma-user/work/data/ obs://${your_bucket}/test-copy/
[ OK ] local src path: [ /home/ma-user/work/data/ ]
[ OK ] obs dst path: [ obs://${your_bucket}/test-copy/ ]
```
# 上传文件夹到OBS中，并指定--drop-last-dir，对应上传到OBS的目录为obs://${your_bucket}/test-copy/
```
$ ma-cli obs-copy /home/ma-user/work/data/ obs://${your_bucket}/test-copy/ --drop-last-dir
[ OK ] local src path: [ /home/ma-user/work/data ]
[ OK ] obs dst path: [ obs://${your_bucket}/test-copy/ ]
```
# 从OBS下载文件夹到本地磁盘中
```
$ ma-cli obs-copy obs://${your_bucket}/test-copy/ ~/work/test-data/
[ OK ] obs src path: [ obs://${your_bucket}/test-copy/ ]
[ OK ] local dst path: [ /home/ma-user/work/test-data/ ]
```