Getting hex value of a character

[Daniel Dittmar]

Dennis Reinhardt wrote:
> I am trying to print the hexadecimal value of a string.  In other
> words, the string "AB" would print as "4142".  I simply cannot get

string.join (
    map (lambda ch: '%02x' % ord (ch), stringvar),
    '')

The lambda formats one character as hex
the map aplies this to all characters
the join combines all the short strings into one

Daniel