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

From: Paul Eggert <[email-masked]>
Date: Fri, 4 Aug 2017 02:01:42 -0700

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.