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#!/usr/bin/perl
use strict;
...
}
my $x =  sys_alarm("sleep 10; echo foo", 5);
print "Output: " . $x  . "\n\n";

Select or download this

#!/usr/bin/perl
use strict;
...

my $x =  sys_alarm("sleep 10; echo foo", 5);
print "Output: " . $x  . "\n\n";