1 Long: fail 2 Short: f 3 Protocols: HTTP 4 Help: Fail silently (no output at all) on HTTP errors 5 See-also: fail-with-body 6 Category: important http 7 --- 8 Fail silently (no output at all) on server errors. This is mostly done to 9 enable scripts etc to better deal with failed attempts. In normal cases 10 when an HTTP server fails to deliver a document, it returns an HTML document 11 stating so (which often also describes why and more). This flag will prevent 12 curl from outputting that and return error 22. 13 14 This method is not fail-safe and there are occasions where non-successful 15 response codes will slip through, especially when authentication is involved 16 (response codes 401 and 407). 17