@array = ('200', '201', '205', '194', '140', '250', '280');
print "original\n" , "@array " , "\n";
$count = @array;
for ($i = 0; $i > $count-1; $i++) {
  if ($array[$i] gt '200') {
    s/$array[$i]/200/;
  }
}
print "new:\n" , "@array ", "\n";


##</code><code>##

 
original
200 201 205 194 140 250 280
new
200 201 205 194 140 250 280