1 Long: fail 2 Short: f 3 Protocols: HTTP 4 Help: Fail silently (no output at all) on HTTP errors 5 --- 6 Fail silently (no output at all) on server errors. This is mostly done to 7 better enable scripts etc to better deal with failed attempts. In normal cases 8 when an HTTP server fails to deliver a document, it returns an HTML document 9 stating so (which often also describes why and more). This flag will prevent 10 curl from outputting that and return error 22. 11 12 This method is not fail-safe and there are occasions where non-successful 13 response codes will slip through, especially when authentication is involved 14 (response codes 401 and 407). 15
