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- c: Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
- SPDX-License-Identifier: curl
- Long: fail
- Short: f
- Protocols: HTTP
- Help: Fail fast with no output on HTTP errors
- See-also: fail-with-body
- Category: important http
- Example: --fail $URL
- Mutexed: fail-with-body
- Added: 4.0
- Multi: boolean
- ---
- Fail fast with no output at all on server errors. This is useful to enable
- scripts and users to better deal with failed attempts. In normal cases when an
- HTTP server fails to deliver a document, it returns an HTML document stating
- so (which often also describes why and more). This flag will prevent curl from
- outputting that and return error 22.
- This method is not fail-safe and there are occasions where non-successful
- response codes will slip through, especially when authentication is involved
- (response codes 401 and 407).
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