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- c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
- SPDX-License-Identifier: curl
- 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
- See-also: etag-compare
- Multi: single
- ---
- 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.
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