OpenEuphoria

Re: Why doesn't this work?

• Posted by "Carl R. White" <C.R.White at SCM.BRAD.AC.UK> May 28, 1998
• 869 views

On Wed, 27 May 1998, Bonn Ortloff ("LEVIATHAN") wrote:

> Alan Tu wrote:
> >
> > clear_screen()
> > sequence prompt
> > atom prompt_loop
> > prompt = {97,98,99,100,101,102,103,104,105,106,107,108}
> > for prompt_loop = 1 to 12
> > print(1,prompt[prompt_loop])
> > end for
> > abort
> > [pph: something is wrong here]
> > --Alan

> [pph: Try this instead]
> clear_screen()
>   sequence prompt
>
>       prompt = {97,98,99,100,101,102,103,104,105,106,107,108}
>         for a_loop = 1 to 12 do
>           print(1, prompt[a_loop])
>             end for

I think this might be what you're after:

include get.e
constant
    Basevar = 'a',
    Maxvar = 'l',
    Vardist = Maxvar - Basevar + 1,
    Access = Basevar - 1

sequence vartable, temp
atom number

vartable = repeat(0,  Vardist)

clear_screen()
for a_loop = 'a' to 'l' do -- 'a' = 97, 'l' = 108
    puts(1, "Enter value for " & a_loop & ": ")
    temp = get(0)
    if temp[1] = GET_SUCCESS and atom(temp[2]) then
        number = temp[2]
    else
        number = 0
    end if
    vartable[a_loop - Access] = number

    -- To access a, b, c etc. use:
        -- vartable['a'-Access] rather than just "a".
end for

I actually think Leviathan was trying to put values into variables a to l
in a loop, incrementing the variable's *name* each time.

This can't be done (in any language. Although I seem to remember being
able to hack something in Commodore Basic ;) ). You can increment the
value *in* a variable, but you can't increment the *name*.

I've tried to get as close as this as possible though, by implementing a
clumsy variable table for a to l.

If you abbreviate vartable to vt, and use 1, 2, 3, etc.:
        vartable['a'-Access] ===> vt[1]
        vartable['d'-Access] ===> vt[4]
etc, you can save a lot of typing.

Mail me if I've confused you, and I'll try and help out...
Carl

--
Carl R White
E-mail...: cyrek- at -bigfoot.com              / Remove the hyphens before
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