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Re: [StrongED] Roman numerals
On 15 Aug 2017 Gavin Wraith <gavin@xxxxxxxxxxxxxxx> wrote:
> In message <mpro.ouqmja002a56b0244.pittdj@xxxxxxxxxxxx>
> David Pitt <pittdj@xxxxxxxxxxxx> wrote:
>> sumnums has more than one issue. adding 'require' as in :-
>>
>> in require "lpeg"
>>
>> helped, [well done !] but it now falls over at line 12.
> I cannot put my finger on sumnums - must have it somewhere, I
> suppose. If it is meant to add up all the positive integers
> occurring in a text then this ought to do as an unsophisticated
> zero-approximation:
> #! lua
> local n = 0
> for line in io.lines (arg[1]) do
> for x in line:gmatch "%d+" do n += tonumber (x) end -- for
> end -- for
> print "Total = ", n
Sorry, Gavin, and error again. This time "syntax error near "," "
Thanks for all the help offered, but I'm only really playing with
these scripts, so a solution isn't really important.
Best wishes,
Peter.
--
Peter Young (zfc Pt) and family
Prestbury, Cheltenham, Glos. GL52, England
http://pnyoung.orpheusweb.co.uk
pnyoung@xxxxxxxxxxxx
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