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List:       gcc-fortran
Subject:    Re: Formatted read with T format advances input file when a short record is encountered
From:       Jerry DeLisle <jvdelisle () charter ! net>
Date:       2016-10-25 2:40:30
Message-ID: 28433830-6b91-bc92-09e2-8c10b6a1e649 () charter ! net
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On 10/24/2016 03:10 PM, Kraner, Luke (ES & CSO) wrote:
> I think I have encountered a minor bug in gfortran formatted input.
 > The attached sample program tformat.f reads the file empty.inp with the 
statements:
> 
> READ(5,1010        )  IDXBLK, LMAX, LMIN
> 1010     FORMAT(8X,I4,T51,2I5)
> 
> If a record less than 12 characters long is encountered, the program advances the \
> input file by one additional record.
 > This violates section 9.4.4.4.2 of J3/97-007R2 which states that unless 
PAD='NO' is specified, the processor should
 > supply blanks if the format requires more characters from the record than the 
record contains.
> 
> Luke Kraner
> 

Interesting, I am studying this and will post a PR. I do see where g77 handles 
it differently.

and I see if I manually pad out the empty line then we get what you expect, so I 
be working on this one.

Thanks for report,

Jerry


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