my @entries;
my $previouskey = "";

open (KOF, "<$konfil") or die "Kan inte \xF6ppna filen $konfil"; 
open (NYF, ">$nyfil") or die "Kan inte \xF6ppna filen $nyfil";
flock (NYF,2) or die $!;
my $offset = 0;
while(<KOF>)
{
    chomp;
    $value =~ s/^\s*(\S*)\s+$/$1/;
    unless ($key eq $previouskey || $previouskey eq "") {
        $offset = 0;
    }
    $previouskey = $key;    
    $entries[$offset]{$key} = $value;
    $offset++;
}
 
my @sorted =  sort { $a->{'NYTT'} <=> $b->{'NYTT'} } @entries;
my $pers =0;

foreach my $e (@sorted) {
    print NYF ($e->{'UID'}, "|", $e->{'FNA'}, "|", $e->{'ENA'}, "|", $e->{'PRE'}, "|", $e->{'NYTT'}, "\n") if( $e->{"UID"} ne "" || $e->{"FNA"} ne "" || $e->{"ENA"} ne "");
    $pers++ if ($e->{"UID"} ne "");
    }
close KOF;
close NYF;