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- while
- -----
- Evaluate a group of commands while a condition is true
- ::
- while(condition)
- COMMAND1(ARGS ...)
- COMMAND2(ARGS ...)
- ...
- endwhile(condition)
- All commands between while and the matching :command:`endwhile` are recorded
- without being invoked. Once the :command:`endwhile` is evaluated, the
- recorded list of commands is invoked as long as the condition is true. The
- condition is evaluated using the same logic as the :command:`if` command.
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