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tool_operate: make --etag-compare always accept a non-existing file

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Consider it a blank etag. It allows for more use cases when the file
just might not have been created yet.

Closes #15737
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Daniel Stenberg 2024-12-12 23:06:19 +01:00
parent c64c3527e5
commit 7347ddc9e2
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3 changed files with 14 additions and 11 deletions
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docs/cmdline-opts/etag-compare.md
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@ -21,7 +21,8 @@ Make a conditional HTTP request for the specific ETag read from the given file
by sending a custom If-None-Match header using the stored ETag.
For correct results, make sure that the specified file contains only a single
line with the desired ETag. An empty file is parsed as an empty ETag.
line with the desired ETag. A non-existing or empty file is treated as an
empty ETag.
Use the option --etag-save to first save the ETag from a response, and then
use this option to compare against the saved ETag in a subsequent request.