#!/usr/bin/perl -w
use strict;

my %user_info;

while (<DATA>) {
    chomp;
    my ($user, $attribs) = $_ =~ m/^(\S+)\s+(.+)$/;

    my ($realname, $email, $foo, $bar, undef)
        = split /\|/, $attribs;

    $user_info{$user}{'Real Name'} = $realname;
    $user_info{$user}{'Email'} = $email;
    $user_info{$user}{'Foo'} = $foo;
    $user_info{$user}{'Bar'} = $bar;
}
__DATA__
username    Real Name|email@gmail.com|2|30|
fred        Fred Bloggs|fbloggs@gmail.com|3|27|
harryp      Harry Potter|harry@gmail.com|5|32|

##</code><code>##

foreach my $user (keys %user_info) {
    print "Username:$user Real Name:$user_info{$user}{'Real Name'}\n";
}

##</code><code>##

Username:harryp Real Name:Harry Potter
Username:fred Real Name:Fred Bloggs
Username:username Real Name:Real Name