Subject: Re: bug#27942: Bug regarding "touch" command

From: L A Walsh <[email-masked]>
Date: Fri, 04 Aug 2017 02:04:45 -0700

Paul Eggert wrote:
> L A Walsh wrote:
>> "Touching the 'file' associated with stdout"?
> 
> Yes, that's it.
> 
>> How would I (or someone) use it?
> 
> You run "touch -". Whatever file stdout happens to be associated with, 
> gets touched. It's the same idea as "cat -", except with stdout rather 
> than stdin.
> 

The difference between that and updating due to write activity being
mostly that ctime is also written?