extract the inventory number properly

liebchen.yml

@@ -184,10 +184,21 @@
   - name: Update default dock confuguration
     command: dconf update
 
-  - name: Extract inventory number
+  - name: Search for string in file
-    command: grep -oP inventory_number=\K\d+ /etc/inventory_number.cmdline > /ect/inventory_number
+    command:
+      cmd: grep -oP inventory_number=\\K\\d+ /etc/inventory_number.cmdline
+    register: result
+    # Since it is a reporting task
+    # which needs to deliver a result in any case
+    failed_when: result.rc != 0 and result.rc != 1
+    check_mode: false
+    changed_when: false
+  - name: Show result, if any
+    copy:
+      dest: /etc/inventory_number
+      content: |
+        {{ result.stdout_lines[0] }}
+    when: result.rc == 0
+
   - name: Enable login screen after install
     command: systemctl start systemd-logind.service
-  - name: Reboot
-    ansible.builtin.reboot:
-      reboot_timeout: 60