%goodfiles = (
  "MODEL\.CON" => "1",
  "ZMD\.IN" => "1",
  "SCP\.CON" => "1",
  "MDLUPDT.DAT" => "1",
  "MKMDL.ERR" => "1",

  );

opendir (DIR, ".");
 @files = readdir (DIR);
 foreach $file (@files) {
   print $file;
   next if ($file =~ /^\./);
   next if -d "$file";
   $file =~ s/\s*$//;
   $file = "\U$file";
   next if ($goodfiles{$file});
   print $file;
   $garbage{$file}++; 
}
closedir (DIR);
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