No output from periodic

[parv]

in message <09f301c3456b$4d029d20$b4be0ed0 at elliotdevelop>, wrote
Elliot Finley thusly...
>
> I _want_ cron to email me when there _is_ output.  But I _don't
> want_ an email when there _isn't_ output.
> 
> Anyone know how to accomplish this?

In three (easy) steps...

  - Create a wrapper to be invoked by cron
  - In wrapper...
      - Execute the real command & save the output in a temporary
        file
      - Send e-mail only if file size is zero


  - Parv

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