By default, curl treats any successful connection and response as a "success" (exit code 0), even if the response is an HTTP 404.
It still returns exit code 22 on a 404, but it also allows you to see or save the error message sent by the server. This is useful if the server provides a specific reason for the 404 (e.g., "The file has moved to..."). 4. Common Reasons You're Getting a 404 curl download file 404
Introduced in version 7.76.0 (early 2021), the --fail-with-body flag is often better for debugging. By default, curl treats any successful connection and
If you use -O (remote name) to save a file, curl will often save the server’s HTML "404 Not Found" error page as your local file. curl download file 404