Re: Avoided "set but never used" warnings for dummy variable reads

glen herrmannsfeldt wrote:
> Bil Kleb wrote:
> 
>> I'm looking for tips on how to quiet "set but never used"
>> warnings so that I can turn on -Werror (so any warnings
>> produce compilation failures).
> 
>> I quite often encounter the idiom,
> 
>>   integer :: nblocks_dum  ! position holder for read
> 
>>   read(8) nblocks_dum, other, useful, data
> 
> My first try would be to use an array, possibly dimensioned (1).
> 
> Keeping track of "set but never used" for individual array
> elements might be hard enough that the compiler doesn't
> even try.  Otherwise,
> 
>       numblocks_dum=num_blocks_dum+0
> 
> might be enough to satisfy it.
> 
> -- glen
> 


This is one of those little things that drives me crazy too.  I use the 
above idea without the "+0" and a small comment

     numblocks_dum=num_blocks_dum !suppress compiler warning

John