Thanks, Spike.  That's what I'll do.  That, or a hash.

On Monday, December 12, 2016 at 11:15:37 AM UTC-8, Spike Robinson wrote:
>
> In the specific case of modifying one file only, multiple times, you could 
> get away with one register for the original modification timestamp, and 
> then compare that timestamp with the current timestamp as your last 
> operation. 
> In the general case, I think you need to use a register with a boolean for 
> each operation that can trigger your final action. 
>
> On Monday, 12 December 2016 19:06:18 UTC, John Oliver wrote:
>>
>> Let's say I have a playbook that looks for and changes lines in 
>> sshd_config if necessary.  Then I want the sshd service to be restarted 
>> only if at least one of those actions has taken place.  Is there a way to 
>> evaluate for that without registering a variable for the completion of each 
>> and every play?
>>
>

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