Filter_Playbook.yml

---
- name: Check Ansible Filter
  hosts: localhost
  gather_facts: false
  vars:
    - my_var: test
  tasks:
    - name: Show default value
      debug:
        msg: "{{ my_var | default('default-variables') }}"

    - name: Join list into a string
      debug:
        msg: "{{ ['apple', 'banana', 'cherry'] | join('_^_') }}"

    - name: Split string into a list
      debug:
        msg: "{{ 'apple^banana^cherry' | split('^') }}"

    - name: Get length of list
      debug:
        msg: "{{ ['apple', 'banana', 'cherry'] | length }}"

    - name: Sort list
      debug:
        msg: "{{ ['hi', 'banana', 'apple', 'cherry'] | sort }}"

    - name: Remove duplicates from list
      debug:
        msg: "{{ ['apple', 'banana', 'apple', 'apple', 'banana', 'cherry'] | unique }}"

    - name: Replace substring in string
      debug:
        msg: "{{ 'hello world' | replace('world', 'Ansible') }}"

    - name: Convert string to uppercase
      debug:
        msg: "{{ 'hello world' | upper }}"

    - name: Convert string to lowercase
      debug:
        msg: "{{ 'HELLO WORLD' | lower }}"

    - name: Convert data to YAML
      debug:
        msg: "{{ {'name': 'John', 'age': 30} | to_yaml }}"

    - name: Convert data to JSON
      debug:
        msg: "{{ {'name': 'John', 'age': 30} | to_json }}"