#!/bin/sh -e . "$1" fail () { echo "{\"failed\": true, \"msg\": \"$1\"}" exit } which nginx || fail "Can't find nginx executable." nginx -v 2>&1 | sed -n 's/[a-zA-Z :\/]*\([0-9]*\)\.\([0-9]*\)\.\([0-9]\)*/{"changed": false, "ansible_facts": {"nginx": {"major":\1, "minor":\2, "patch":\3}}}/gp'