@age = ( @f1 = (amy,35), @f2=(bill,55), @f3=(george,28), @f4=(jason,71));
@age = sort personal::sortAge(\@age);

##</code><code>##

  DB<150> @age
 => (["amy", 35], ["bill", 55], ["george", 28], ["jason", 71])

  DB<151> sort personel::sortAge @age
 => (["jason", 71], ["bill", 55], ["amy", 35], ["george", 28])

##</code><code>##

  DB<153> @age = ( @f1 = (amy,35), @f2=(bill,55), @f3=(george,28), @f4=(jason,71));
 => ("amy", 35, "bill", 55, "george", 28, "jason", 71)

##</code><code>##

  DB<157> @age = ( ["amy", 35], ["bill", 55], ["george", 28], ["jason",71]);
 => (["amy", 35], ["bill", 55], ["george", 28], ["jason", 71])

  DB<158> sub personel::sortAge { sort { $b->[1] <=> $a->[1] } @_}

  DB<159> personel::sortAge @age
 => (["jason", 71], ["bill", 55], ["amy", 35], ["george", 28])