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Perl sleep Function
Description
This function Pauses the script for EXPR seconds, or forever if EXPR is not specified. Returns the number of seconds actually slept. Can be interrupted by a signal handler, but you should avoid using sleep with alarm, since many systems use alarm for the sleep implementation.
Syntax
Following is the simple syntax for this function −
sleep EXPR sleep
Return Value
This function returns Integer, number of seconds actually slept
Example
Following is the example code showing its basic usage −
#!/usr/bin/perl
$num = 5;
while($num--) {
sleep(1);
}
perl_function_references.htm
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