if ( $fileSize > 0 && $compress && $doCache >= 0 ) {
open(my $fh, "<", $fileName) || return -2;
binmode($fh);
return -3 if ( read($fh, $data, 1) != 1 );
my $ret;
if ( $fileSize > 0 && $compress && $doCache >= 0 ) {
open(my $fh, "<", $fileName) || return -2;
binmode($fh);
return -3 if ( read($fh, $data, 1) != 1 );
my $ret;