From: Pen Ttt Date: 2010-12-27T20:32:24+09:00 Subject: how to change it in to hex? ni my console,hexdump -C /home/pt/kc|less,what i get is : 00000000 00 00 00 00 56 b8 32 01 06 13 00 00 00 00 00 00 00000010 00 00 00 00 00 00 1f ab ca 48 00 00 00 00 00 00 irb(main):011:0> IO.read('/home/pt/kc', 8, 0x00) => "\000\000\000\000V\2702\001" how to make "\000\000\000\000V\2702\001" become 00 00 00 00 56 b8 32 01? -- Posted via http://www.ruby-forum.com/.