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