Getting File Hash Value - hash
Last updated: 2025-05-09 18:27:39
The
hash command is used to calculate the hash value of a local file or get the hash value of a file in COS.Note:
If you need to use this command, when you perform authorization policy, set action to
cos:HeadObject. For more authorizations, please refer to CAM-Enabled API.Command Syntax
./coscli hash <object-name> [flag]
hash includes the following parameters:Parameter Format | Description | Example |
<object-name> | Specifies the target file, which can be a local path or a COS file path. The COS path is accessible by using the bucket alias or bucket name configured in the configuration file as detailed in Download and Installation Configuration. If you use the bucket name for access, you also need to include the endpoint flag. | Local path: ~/example.txt COS file path specified with the bucket alias: cos://bucketalias/example.txt COS file path specified with the bucket name: cos://examplebucket-1250000000/example.txt |
The
hash command contains the following optional flags:Flag Abbreviation | Flag Name | Description |
-h | --help | Views the usage of this command. |
None | --type | Hash type, which can be MD5 or CRC64 (default) Note: The md5 can only obtain the etag. If you need to get the file md5, you can download the complete file and then calculate it. |
Note:
For other common options of this command (such as switching bucket and user account), see Common Options.
Examples
Calculating the CRC64 value of local file
./coscli hash ~/test.txt
Getting the MD5 value of COS file
./coscli hash cos://bucket1/example.txt --type=md5
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