use dummy field as part of the goto label

[Dennis Malen]

You are correct, you can't.

Dennis Malen
516.479.5912
----- Original Message ----- 
From: "Jay R. Ashworth" <jra at baylink.com>
To: <filepro-list at lists.celestial.com>
Sent: Tuesday, May 06, 2008 11:53 AM
Subject: Re: use dummy field as part of the goto label


> On Mon, May 05, 2008 at 11:07:15AM -0400, Walter Vaughan wrote:
>> Dennis Malen wrote:
>> >Within input processing, is it possible to use a dummy filed as part of 
>> >the
>> >name of the goto label, such as:
>> >
>> >zz="rab";goto rpt{zz
>> >
>> >How can I have filepro acknowledge the rpt{zz and goto rptrab? When I 
>> >try to
>> >save the processing filepro tells me that there is no label by that 
>> >name.
>> >Obviously this is a limitation of filepro . Is there any way around this
>> >limitation?
>> >
>> >
>> In Define Processing's help you will see this
>> 4.5      GOSUB/GOTO OF      Gosub/goto one of a list of labels.
>>
>>           Syntax
>>                GOSUB (num_expr) OF label1, label2, ...
>>                GOTO (num_expr) OF label1, label2, ...
>>                where num_expr is the one-relative index into the list
>>                of labels, and label1,label2, ... are the labels.
>>
>>           Notes:
>>                The parentheses around (num_expr) are required.
>>
>>                Only the integral portion of num_expr is used.  Any
>>                fractional portion is ignored.  The number is not rounded.
>
> To expand this answer, no, the argument to a GOTO or GOSUB cannot be a
> variable's contents (that I know of).  It must be a literal.
>
> If the handling of this issue was first-class, then you might be able
> to do:
>
> zz=rpt{"rab"; goto (zz)
>
> but I'm pretty sure you can't.
>
> Cheers,
> -- jra
> -- 
> Jay R. Ashworth                   Baylink 
> jra at baylink.com
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