Re: print("-5.3e - 10"*"2") doesnt work :/

[Andreas Stenius <kaos@...>]

Yes, try dostring(), just remember to prefix the formula with "return ".

//Andreas

Oldřich Švec skrev:
> And is there a way how to calculate fe. such string "(5+1+4)^(3+4)/5" so I dont need to change it into "5"+"1"..... The problem is that I get the formulas in string form... and I dont want to add " " all the time manualy
> Oldrich Svec
> ______________________________________________________________
>   
> > Od: kapheine@gmail.com
> > Komu: "Lua list" <lua@bazar2.conectiva.com.br>
> > CC: 
> > Datum: 27.04.2006 23:43
> > Předmět: Re: print("-5.3e - 10"*"2") doesnt work :/
> >
> > On 4/27/06, Oldrich Svec <OLDRICH.SVEC@CENTRUM.CZ>wrote:
> >     
> > > Here (http://www.lua.org/pil/2.4.html) you can find an example of using
> > > strings (print("-5.3e - 10"*"2")) but it doesn't work(attempt to perform
> > > arithmetic on a string value)... I use Lua 5.1.
> > > Generaly I want to use it to calculate strings (fe. "5+1+4" =>
> > > print("5+1+4"+"0") should give 10 but it doesnt work.. :(
> > >       
> > In this case, "-5.3e - 10" isn't recognized as a number. Try
> > "-5.3e-10"*"2", which is recognized as a number.
> >
> > "5+1+4"+"0" doesn't work because "5+1+4" is not a number. You would
> > have to do print("5"+"1"+"4"+"0") instead.
> >
> > --
> > Zachary P. Landau <KAPHEINE@GMAIL.COM>
> >
> >     
>
>