- The `WHILE` Loop:
  - A `WHILE` loop executes as long as a given test condition is true.

        WHILE <test condition>
          ...
        ENDWHILE

    For example:

        res index 1
        res count 10
        WHILE index LT count
          say "index is ^index"
          calc index index+1
        ENDWHILE

  - The test condition in `WHILE` allows the same tests that are used in `IF`
  - See the `WHILE` explain file for more details.