The whole processing can be done by one command :) 
#!/usr/bin/perl

use warnings;
use strict;

my $str = <<PAIRS;
GEORGE 21

GEORGE 45

NICK   12

PETER  27

JIM    18

JIM    87

CHRIS  33
PAIRS

my $name ='';
$str = join "\n\n", map {  sprintf "%-8s %s", ($_->[0] ne $name ? $nam
+e = $_->[0] : ''), $_->[1]} map { [split " ", $_, 2] } split /\n+/, $
+str;
print $str;

[download]
It prints: 
GEORGE   21

         45

NICK     12

PETER    27

JIM      18

         87

CHRIS    33

[download]
The snippet assumes that the lines containing the same name follow each other. It clears the name only if it is equal to one in previous line.
     s;;Just-me-not-h-Ni-m-P-Ni-lm-I-ar-O-Ni;;tr?IerONim-?HAcker ?d;print

In reply to Re: Any hints on how to do this? by Ieronim
in thread Any hints on how to do this? by Anonymous Monk

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