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Perl Programming/Keywords/sleep
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Perl sin socket Keywords
The sleep keyword
sleep makes the process sleep for the number of seconds passed by the EXPRESSION seconds (integer).
It's not a good idea to mix alarm and sleep calls, as sleep is often implemented using alarm.
Syntax
sleep EXPRESSION
Examples
The code
print "Hello " . time . "\n";
sleep 5;
print "World! " . time . "\n"; returns the two strings with a leap of about 5 s: Hello 1424262965
World! 1424262970
See also
alarm
time
Perl sin socket Keywords