fieldnum() problem

[Bruce Easton]

On 8/23/18 10:32 AM, Kenneth Brody via Filepro-list wrote:
> On 8/23/2018 10:31 AM, Kenneth Brody wrote:
>> On Thu, Aug 23, 2018 at 12:15 AM Richard Kreiss via Filepro-list
>> <filepro-list at lists.celestial.com> wrote:
>> [...]
>>> then: lookup back = (backfile) r-=rn -np
>> [...]
>>> then: back(bd)=@td - Post the current date to backup record - syntax 
>>> error pointing at back(bd)
>>>
>>> if:
>>> Then: back(bw)=getenv("username") - Syntax error points at (bw)
>>>
>>> Note that the syntax points to the closing ) of back().
>> [...]
>>
>> You cannot use a variable as a subscript to a lookup.  Alias an array
>> to that lookup, and then use the array instead:
>>
>>      dim backfile[999]:back[1]
>> ...
>>      backfile[bw] = getenv("username")
>>
>
> Oops.  I just realized that "backfile" was the name of the variable 
> you used to store the filename.  Obviously, use some other name.

Ah yes, OK.

I thought bd being uncast might cause a problem, but I realize now it 
could cause a problem or unexpected results at runtime, but would not 
cause a syntax check issue.

--Bruce




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