---
## Register output of whoami
- name: Who am I
  ansible.builtin.command: whoami
  register: _my_whoiam_var

## Displays variable as to stdout
- name: Debug
  ansible.builtin.debug:
    var: _my_whoiam_var.stdout

## Check if can write on tmp
- name: Check write operation
  ansible.builtin.copy:
    content: "Hello world"
    dest: /tmp/{{ _my_whoiam_var.stdout}}.hello-world.txt

## Cleans up
- name: Clean up
  ansible.builtin.file:
    path: /tmp/{{ _my_whoiam_var.stdout}}.hello-world.txt
    state: absent