2bc1d775f5
- they are mostly pointless in all major jurisdictions - many big corporations and projects already don't use them - saves us from pointless churn - git keeps history for us - the year range is kept in COPYING checksrc is updated to allow non-year using copyright statements Closes #10205
24 lines
758 B
Makefile
24 lines
758 B
Makefile
c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Long: etag-compare
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Arg: <file>
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Help: Pass an ETag from a file as a custom header
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Protocols: HTTP
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Added: 7.68.0
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Category: http
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Example: --etag-compare etag.txt $URL
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See-also: etag-save time-cond
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Multi: single
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---
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This option makes a conditional HTTP request for the specific ETag read
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from the given file by sending a custom If-None-Match header using the
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stored ETag.
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For correct results, make sure that the specified file contains only a
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single line with the desired ETag. An empty file is parsed as an empty
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ETag.
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Use the option --etag-save to first save the ETag from a response, and
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then use this option to compare against the saved ETag in a subsequent
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request.
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