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- Long: fail
- Short: f
- Protocols: HTTP
- Help: Fail silently (no output at all) on HTTP errors
- See-also: fail-with-body
- Category: important http
- Example: --fail $URL
- Added: 4.0
- ---
- Fail silently (no output at all) on server errors. This is mostly done to
- enable scripts etc 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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