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etag-save.md

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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-compare Example:
  • --etag-save storetag.txt $URL ---

--etag-save

Save an HTTP ETag to the specified file. An ETag is a caching related header, usually returned in a response. Use this option with a single URL only.

If no ETag is sent by the server, an empty file is created.

Starting in curl 8.12.0, using the --create-dirs option can also create missing directory components for the path provided in --etag-save.