Perl in a Nutshell

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Function Reference
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times

times

Returns a four-element list giving the user and system CPU times, in seconds (possibly fractional), for this process and for the children of this process:

($user, $system, $cuser, $csystem) = times;
For example, to time the execution speed of a section of Perl code:
$start = (times)[0];
...
$end = (times)[0];
printf "that took %.2f CPU seconds\n", $end - $start;


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