How to include/import yml files based on condition

[Yerigeri]

Hi 

Im a newbie on Ansible. I have a scenario where 

Steps:

I look for a version of an application.

If version is present call uninstall.yml else call install.yml

snippet i tried

 - win_shell: D:\Build\regread2.vbs XXX InstallLocation

    register: result

  - set_fact:

      signup_token: '{{ result.stdout | regex_search(qry)| replace("[","")|replace("]","") }}'

    vars:

      qry: '\[(.*?)\]'

  - debug: msg={{ signup_token }}

###########################################################################################################

  - include_tasks: Uninstall.yml

    when: '{{ signup_token }}'== ''

Please do help.

Regards

VY