On Wed, Aug 15, 2007 at 02:45:20PM +0900, Brian Candler wrote: > On Wed, Aug 15, 2007 at 06:50:01AM +0900, Hadmut Danisch wrote: > > do the pack and unpack procedures support 64 bit signed/unsigned > > integers? > > The documentation is at http://www.ruby-doc.org/core/ > In the top right-hand frame, click on pack(Array) or unpack(String). Thanks for hinting me. But that means that Q/q is only for signed, unsigned. The byte order is always that of the processor. No way to explicitely state whether big or little endian? regards Hadmut