---
- name: Determine network interface name from IP address
  hosts: localhost
  tasks:
    - name: Gather all facts
      ansible.builtin.setup:

    - name: Find the interface for a given IP address
      set_fact:
        interface_name: "{{ ansible_interfaces | map('regex_replace', '^', 'ansible_') | map('extract', ansible_facts) | selectattr('ipv4.address', 'equalto', '192.168.1.150') | map(attribute='device') | first }}"

    - name: Display the interface name
      debug:
        msg: "The interface for IP address 192.168.1.150 is {{ interface_name }}"


---
- name: Count matches in a file
  hosts: localhost
  tasks:
    - name: Search for the pattern in the file
      shell: "grep -o 'pattern' /path/to/file | wc -l"
      register: match_count

    - name: Display the number of matches
      debug:
        msg: "Number of matches: {{ match_count.stdout }}"