Beware that exec never returns (if you didn't already know that), because it replaces your process with the new one.

If you want to make multiple "execs", you can use system.

Check out perlfunc for a list of all available functions and keywords in Perl.

bbfu
Seasons don't fear The Reaper.
Nor do the wind, the sun, and the rain.
We can be like they are.

$string_to_process=`ping $host`;
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