$bak = ".bak";               # backup extension
$target = "*.exe";           # target files to process
$from = "psylog.log";        # string to change
$to   = "ptotal.log";         # what to change it to

# now run through all subdirectories looking for files
open(FIND, "find wwwstats -name \"$target\" -print |") || die "Couldn't run find: $!\n";
while ($filename = <FIND>)
{
   chop($filename);
   print "\nProcessing config file $filename...\n";
   $backname = $filename . $bak;
   rename($filename, $backname) || die "Couldn't rename $filename as $backname\n";
   open (NEW, ">$filename") || die "Couldn't open new file as $filename\n";
   open (CONFIG, "$backname") || die "Couldn't open $filename\n";


   while (<CONFIG>) {
      s/$from/$to/;
      print NEW;
   }

   close NEW;
   close CONFIG;
}