> Hello,
>
> is there a way to check if a requested resource is in the cache?
>
> For example, “if” has the option “-f”, which could be used to check if a static
> file is present.
>
> Is there something similar for a cached resource?

Depending on what you want to achieve you could check $upstream_cache_status for 'HIT' ( http://nginx.org/en/docs/http/ngx_http_upstream_module.html?#var_upstream_cache_status )

rr

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