constructing a string from hex value

[Srdjan Marinovic]

hi,

How do I construct a string out of hex values?
In other words I want to give exact hex value for each byte in the
string. So I would have soemthing like

0x2a, 0x7e, 0x0a, 0x7e

If I go through Fixnum I get my string to contain numbers 48, 115, 10,
115 but I do not want that but rather a string of ASCII(48),
ACII(115),...

Thanks

srdjan