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Thank you very much, Philipp!
I think your code will help me to learn more about
programming with Lua:-)

--- Philipp Janda <siffiejoe@gmx.net> wrote:
> Luiz Henrique de Figueiredo schrieb:
> >>d1.day, d1.month, d1.year = string.gfind( date1,
> "(%d+).(%d+).(%d+)");
> >>...but gfind do not work for me:-(
> > 
> > 
> > You need to ignore the first 2 return values.
> 
> ... and use string.find instead of string.gfind!
> string.gfind is meant 
> to be used in for-loops.
> Btw., I have written some date calculation functions
> myself. They are 
> not perfect (and not well-tested either), but you
> could have a look (or 
> use them if you like):
> 
>
http://www.ratnet.stw.uni-erlangen.de/~siphjand/lua50/date.lua
> 
> 
> > Try the code below.
> > --lhf
> > 
> > function str2time(s)
> >  local d={}
> >  local a,b
> >  a, b, d.day, d.month, d.year = string.find(s,
> "(%d+).(%d+).(%d+)");
> >  return os.time(d)
> > end
> > 
> > function diff(a,b)
> >  return
> os.difftime(str2time(b),str2time(a))/(60*60*24)
> > end
> > 
> 
> 


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