Namelist read from stdin

[Steve Kargl]

On Tue, Jan 08, 2019 at 11:14:50PM +0100, Harald Anlauf wrote:
> 
> namelist read from stdin (unit 5) mostly works as from file,
> but I've found a case where the reading seems to get confused
> during error recovery.  This may lead to skipped (lost) namelists.
> 

What do you mean by error recovery?

> This seems clearly restricted to unit 5, and requires that a
> badly formatted namelist is encountered, otherwise it is fine.
> 
> Is this due to lack of or issues with buffering of STDIN?
> GFORTRAN_UNBUFFERED_PRECONNECTED=y/n does not seem to have any
> influence.
> 
> Is there something trivial I've overlooked?  Otherwise I'll prepare
> a PR.

AFAIK, stdin is not seekable.  If the error recovery you 
mention requires rewinding to an earlier place in the
file stream, you're done.

-- 
Steve