if($file =~ m/\.txt$/i){
	  #backup to $BACKUP_BASE_DIR
 		$dstDir = $BACKUP_BASE_DIR.$myDir;

		system("/bin/mkdir -p -m 755 $dstDir");

		system(`/bin/cp -p $currentFile $dstDir`);
		print "$CP $currentFile $dstDir"; print "\n";
	}
     	else{}