use strict;

# Loop forever
while(1) {
 some_function();
 another_function();

 # Sleep statement, in seconds
 # 15 minutes * 60 seconds in a minute = 900 seconds
 sleep 900;
}


sub some_function {
  foo;
  bar;
}

sub another_function {
  yada_yada;
  wocka_wocka;
}