Hi, I am writing a simple script for user login. When there is username entered that is not in database, how do I get perl to print just one time

print  “<p>You are not registered.</p>”;

instead of after each checked database line. I had it placed in “else” statement and it would print as many “You are not registered” lines as there are entries in database. Here is the part that I am talking about: 
open(TEMP,">$tmpfile") || die "Can't create $tmpfile.\n";
foreach $i (@indata)
{
  chomp($i);
  ($username,$password) = split(/\|/,$i);
  if ($username eq $in{'oldname'} && $password eq $in{'oldpw'} && $in{
+'delete'} ne "yes")
    {
     print TEMP "$in{'oldname'}|$in{'newpw1'}\n";
     print "<p>Your password has been changed.</p>";
               print "<p>Thank you!</p>\n";
    }
   elsif ($username eq $in{'oldname'} && $password eq $in{'oldpw'} && 
+$in{'delete'} eq "yes")
    {
     print "<p>Your password has been deleted.</p>\n";
       print "<p>Thank you!</p>\n";
    }
    else
    {
     print TEMP "$i\n";
    }
}

close(TEMP);

[download]
Thank you in advance!

Edit, BazB: added code tags

To clarify:
{'oldname'} , {'newpw1'} and {'oldpw'} comes from input form as user is logging in to change the password.

In reply to How to verify array fields and print ONE message at the end by FemmeGretha

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