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18 lines
632 B
D
18 lines
632 B
D
Long: etag-save
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Arg: <file>
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Help: Parse ETag from a request and save it to a file
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Protocols: HTTP
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Added: 7.68.0
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Category: http
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---
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This option saves an HTTP ETag to the specified file. Etag is
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usually part of headers returned by a request. When server sends an
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ETag, it must be enveloped by a double quote. This option extracts the
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ETag without the double quotes and saves it into the <file>.
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A server can send a weak ETag which is prefixed by "W/". This identifier
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is not considered, and only relevant ETag between quotation marks is parsed.
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It an ETag wasn't sent by the server or it cannot be parsed, an empty
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file is created.
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