| Long: etag-save | |
| Arg: <file> | |
| Help: Parse ETag from a request and save it to a file | |
| Protocols: HTTP | |
| Added: 7.68.0 | |
| Category: http | |
| Example: --etag-save storetag.txt $URL | |
| --- | |
| This option saves an HTTP ETag to the specified file. An ETag is a | |
| caching related header, usually returned in a response. | |
| If no ETag is sent by the server, an empty file is created. |