Re: [HACKERS] pg_basebackup --progress output for batch execution

On Thu, Nov 09, 2017 at 03:55:36PM -0800, Jeff Janes wrote:
> 
> I think I agree with Arthur that I'd rather have the decision made by
> inspecting whether output is going to a tty, rather than by adding another
> command line option.  But maybe that is not detected robustly enough across
> all platforms and circumstances?
> 

isatty() is used within Postgres code already (for example, pg_upgrade/util.c).
However, it seems that on Windows isatty() is deprecated and it is recommended to use _isatty(). Moreover, on Windows
itcan give false positive result [1], if I'm not mistaken:
 

> The _isatty function determines whether fd is associated with a character device (a terminal, console, printer, or
serialport).
 

1 - https://msdn.microsoft.com/en-us/library/f4s0ddew(v=vs.140).aspx

-- 
Arthur Zakirov
Postgres Professional: http://www.postgrespro.com
Russian Postgres Company


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