If I have a character such as "£" stored in a object called "xxx", how
can I obtain the hex code representation of this character? In this
case I know that the hex code is "\u00A3", but if I didn't, how would I
find out?
I would like a function "foo()" such that foo(xxx) would return, say,
the string "00A3".
I have googled and otherwise searched around and have come up with
nothing that seemed at all helpful to me. If I am missing something
obvious, please point me at it.
(I have found a table on the web, which contains the information that I
need, but it is only accessible "by eye" as far as I can discern.)
Supplementary question: Suppose I have the string "00A3" stored in
an object called "yyy". How do I put that string together with "\u"
so as to obtain "£"? I thought I could do
xxx <- paste("\u",yyy,sep="")
but R won't let me use "\u" "without hex digits". How can I get around
this?
Thanks.
cheers,
Rolf Turner
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