How to store command output into array in Ansible?

Question

Essentially, I want to be able to handle \"wildcard filenames\" in Linux using ansible. In essence, this means using the ls command with part of a filename followed by an \

Answer 1

annoying.stdout_lines is already a list.

From doc of stdout_lines

When stdout is returned, Ansible always provides a list of strings, each containing one item per line from the original output.

To assign the list to another variable do:

    ..
      register: annoying
    - set_fact:
        varName: "{{annoying.stdout_lines}}"
    # print first element on the list
    - debug: msg="{{varName | first}}"