Running examples in ‘RCurl-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: curlSetOpt
> ### Title: Set values for the CURL options
> ### Aliases: curlSetOpt
> ### Keywords: IO
> 
> ### ** Examples
> 
> if(url.exists("https://www.omegahat.net")) {
+ 
+   curl = getCurlHandle()
+      # Note the header that extends across two lines with the second line
+      # prefixed with white space.
+    curlSetOpt( .opts = list(httpheader = c(Date = "Wed, 1/2/2000 10:01:01",
+                             foo="abc\n    extra line"), verbose = TRUE),
+                curl = curl)
+    ans = getURL("https://www.omegahat.net", curl = curl)
+ }
*   Trying [2a06:98c1:3121::a]:443...
* Immediate connect fail for 2a06:98c1:3121::a: Network is unreachable
* connect to 2a06:98c1:3121::a port 443 from :: port 0 failed: Success
*   Trying [2a06:98c1:3120::a]:443...
* Immediate connect fail for 2a06:98c1:3120::a: Network is unreachable
* connect to 2a06:98c1:3120::a port 443 from :: port 0 failed: Success
* Host www.omegahat.net:443 was resolved.
* IPv6: 2a06:98c1:3121::a, 2a06:98c1:3120::a
* IPv4: 104.21.24.106, 172.67.218.84
*   Trying 104.21.24.106:443...
* GnuTLS priority: NORMAL:%PROFILE_MEDIUM:-ARCFOUR-128:-CTYPE-ALL:+CTYPE-X509:-VERS-SSL3.0:-VERS-TLS-ALL:+VERS-TLS1.3:+VERS-TLS1.2
* ALPN: curl offers h2,http/1.1
* SSL Trust Anchors:
*   CAfile: 144 certificates in /etc/ssl/certs/ca-certificates.crt
*   CApath: 435 certificates in /etc/ssl/certs
* SSL connection using TLS1.3 / ECDHE_RSA_AES_256_GCM_SHA384
*   SSL certificate verified by GnuTLS
*   SSL certificate expiration date OK
*   SSL certificate activation date OK
*   SSL certificate status verification SKIPPED
*   common name: omegahat.net (matched)
*   certificate public key: EC/ECDSA
*   certificate version: #3
*   subject: CN=omegahat.net
*   start date: Tue, 12 May 2026 18:07:29 GMT
*   expire date: Mon, 10 Aug 2026 18:07:28 GMT
*   issuer: C=US,O=Let's Encrypt,CN=E7
* ALPN: server accepted h2
* Established connection to www.omegahat.net (104.21.24.106 port 443) from 137.208.57.142 port 49264 
* using HTTP/2
* Connection #0 to host www.omegahat.net:443 left intact
Error in (function (type, msg, asError = TRUE)  : 
Calls: getURL -> curlPerform -> <Anonymous> -> fun
Execution halted
Examples with CPU (user + system) or elapsed time > 5s
              user system elapsed
binaryBuffer 0.154  0.009   6.047