# Set a default value if null
# Input:
#    Test Value
#    Default Value
# Output:
#    Sanitized Value
sub nvl {
  return $_[defined($_[0])?0:1];
}

sub sanitize_undefined {
  my $test_value    = shift;
  my $default_value = shift;

  return $test_value if defined($test_value);
  return $default_value;
}