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| c | SPDX-License-Identifier | Long | Arg | Help | Protocols | Added | Category | Multi | See-also | Example | ||
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| Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. | curl | etag-save | <file> | Parse ETag from a request and save it to a file | HTTP | 7.68.0 | http | single |
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--etag-save
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.