Get FreeBSD ansible facts using jq script function to pick selected facts

ansible-filter-fact-with-jq.sh

$ cat <<EOF > reduce.jq
def pick($paths): 
  . as $root | reduce $paths[] as $path ({}; . + { ($path): $root[$path] }); 

 .ansible_facts | pick(["ansible_kernel", "ansible_distribution", "ansible_kernel_version"])
EOF

$ ansible -m setup localhost | sed '1 s/^.*|.*=>.*$/{/g' | jq -f reduce.jq
{
  "ansible_kernel": "13.1-RELEASE-p3",
  "ansible_distribution": "FreeBSD",
  "ansible_kernel_version": "FreeBSD 13.1-RELEASE-p3 GENERIC"
}