#!/usr/bin/perl -w
use strict;
# test HOH
my %test = (
'rec1' => {
  'key'=>"rec1",
  'a'  =>"11" x 50,
  'b'  =>"1b1b1b",
  'c'  =>"c1c1c1c1c",
  'z'  =>"zz11zz11zz"
  },
'rec2' => {
  'key'=>"rec2",
  'a'  =>"22" x 40,
  'b'  =>"2b2b2b",
  'c' =>"c2c2c2c2c",
  'x'  =>"xx22xx22xx"
  }
);

my $obj = new mydata(\%test);
$obj->Print('rec2');
$obj->Print('rec1');

package mydata;

sub new {
 my (undef,$self)=@_;
 bless $self;
}

sub Print {
    my ($self,$key) = @_;
    my $record = $self->{$key};
   
    my @parameters = ('key','a','z','c','b','x');
    foreach my $parm (@parameters) {    
        next unless ($record->{$parm});
        my $value = ($parm eq 'key') ? $key : $record->{$parm};
        printf "%-16s: %s\n",$parm,substr($value,0,62) ;
        printf "\t%s\n",substr($value,62) if length $value > 62;
    }
}