You could always use the time command: 
$ /usr/bin/time ./helloworld.pl 
Hello World
0.00user 0.01system 0:00.01elapsed 90%CPU (0avgtext+0avgdata 0maxresid
+ent)k
0inputs+0outputs (291major+42minor)pagefaults 0swaps

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In reply to Re: Benchmarking shell script conversions by Grateful_Dude
in thread Benchmarking shell script conversions by Limbic~Region

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