[REBOL] Re: functional replace function?
From: carl::cybercraft::co::nz at: 2-Nov-2002 0:15
On 01-Nov-02, bryan wrote:
> I suppose this is possible but my Rebol is not good enough yet to
> see the solution, (I say suppose because I am also worried that my
> mode of thinking about the problem is colored by other languages)
> I want to have two blocks, one block contains values to replace in a
> string, the other block contains values that will be replaced
> These values should be accessed from a function which I run against
> the string. The string comes out the other end with values replaced.
> This seems to me to be the smarter(more functional) structure,
> unfortunately can't quite see my way to implementing it.
> The dumber structure, which I can see but don't want to do cause it
> seems dumber,
> Would be to iterate through the block of values to be replaced, with
> each iteration get the answering index number from the block of
> values that shall do the replacing and then run it against the
> string
> replace/all string val1 val2
> block1: next block1
> any suggested readings, links?
Hi Bryan,
It's late for me to attempt an example, but the reading I'd suggest
would be on parsing. See...
http://www.rebol.com/docs/core23/rebolcore-15.html
Not that iteration wouldn't work, but parsing may be faster.
--
Carl Read
