+ load_optional('IO::Compress::Gzip');
+ $fh = IO::Compress::Gzip->new($fh,
+ -Level => IO::Compress::Gzip::Z_BEST_COMPRESSION(),
+ -TextFlag => 1,
+ ) or throw "Failed to initialize compression library: $IO::Compress::Gzip::GzipError",
+ error => $IO::Compress::Gzip::GzipError;