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Re: modification time of standard input is wrong
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Wed, 17 Mar 2010 12:56:12 +0100
- Subject: Re: modification time of standard input is wrong
- References: <F724F0A6-4415-4BCA-BF3D-D3BBA25B32DA@free.fr>
- Reply-to: cygwin at cygwin dot com
On Mar 16 18:24, Denis Excoffier wrote:
>
> Hello,
>
> Under Cygwin 1.7.1-1, i have created the small program (see below),
> to print the modification time of the standard input. In the case where
> the stdin is a pipe (or the terminal), i expect the result to be more
> or less the current time. But the time printed in this case is
> invariably the modification time of /dev/null.
>
> This has some impact in gzip and further, in tar.
What impact? I don't think there is any standard which requires a non
filesystem based stream to have a current timestamp and a tool relying
on that might be broken. All our streams which are not backed by a
filesystem w/ valid timestamps have an artificial timestamp of
2006-12-01 00:00:00.
Corinna
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Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
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