Conversion of hex pairs to chars...best way?

[Richard Gaskin]

T. R. Ponn wrote:

> Here's something I've done MANY times with HC over the years and I'm
> hoping there's a less time consuming way to accomplish it with Rev:
> 
> I have the need to convert mass quantities of lines of data in this form:
> 
> "5265766F6C7574696F6E", as an example.  They are pairs (base16) of:
> 
> "82_101_118_111_108_117_116_105_111_110", in base10 (underscores added
> here for clarification).  And they become:
> 
> "Revolution" in ASCII chars.
> 
> Now what I've *been* doing in Rev is something akin to:
> 
> put empty into whatEverOut
> put "5265766F6C7574696F6E" into whatEver
> repeat with i=1 to the number of chars of whatEver
> put numToChar(baseConvert((char ((i*2)-1) to (i*2) of
> whatEver),16,10)) after whatEverOut
> end repeat
> put whatEverOut
> 
> Is this a good way to do this, or is there something that can be done
> with a "repeat for each" form?  This ( similar) is used soooooo much in
> my app that it's bound to make a significant difference.  Oh...and
> occasionally I have to do this routine "in reverse".

Would using base64encode and base64decode functions provide you with a
similarly useful result?

-- 
 Richard Gaskin 
 Fourth World Media Corporation
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