Re: Implementing 'tr' in GNU Make 3.80

[John Graham-Cumming]

On Fri, 2005-01-07 at 12:13, Dill, John wrote:
> I think we could expand on the [A-Z] idea, but we would need a custom
> function to interpret a regex range item.  We could code an ascii
> numerical encoding to characters to form ranges.  After all, [A-Z] is
> really character 65 to 90.  We could create a function which
> translates [A-Z] into asc65 asc90 and generate indexes to index a list
> of ascii characters to build using wordlist.  I think it's possible to
> generalize this [range] concept to a more general level.

I think if you really need it that much you'd find it quicker to patch
function.c with a real $(tr FROM,TO,TEXT) function than try to implement
all the things you are talking about with GNU Make.  After all, the
source of tr is available.

John.
-- 
John Graham-Cumming

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