> -----Ursprungligt meddelande-----
> Från: IBM Mainframe Discussion List
> [mailto:[EMAIL PROTECTED] För Patrick O'Keefe
> Skickat: den 10 mars 2008 20:50
> Till: [email protected]
> Ämne: Re: Rexx bug?
> On Mon, 10 Mar 2008 19:16:26 +0000, Ted MacNEIL
> <[EMAIL PROTECTED]> wrote:
> >The simple answer is that the designed the interpreter that way.
> >Whenever possible numeric strings are interpreted as numbers first,
> >unless you perform unnatural acts of coding, regardless of whether
> >you quote it or not.
>
> While I've known this for years, I've never given it much thought.
> I've been coding REXX since around 1988 but never (knowingly) ran
> into this ... probably because I've never needed to use scientific
> notiation in REXX and never even knew it was supported. I now
> wonder how many comparisons are waiting to fail on me. I can
> just picture very different and unexpected results from the two
> invocations
> x= SOMEEXEC(00E0 00E8)
> y= SOMEEXEC(00F0 00F8)
> where REXX sees 2 equal numbers in the first case and 2 different
> strings in the second case.
No. REXX sees 1 string in each case ("00E0 00E8" and "00F0 00F8").
Try x = 00E0 + 00E8 and y = 00F0 + 00F8
You will get an error in the latter case.
Regards,
Thomas Berg
_____________________________________________________________
Thomas Berg Specialist IT Utveckling Swedbank AB (Publ)
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