Re: gui/pager problem on MacOSX

[John W. Eaton]

On 10/11/2013 11:12 AM, Michael Goffioul wrote:

> The reason is that "less" reads commands directly from /dev/tty, and not
> from stdin (otherwise you wouldn't be able to "pipe" to "less").

Looking at the comments in ttyin.c the less sources it appears that it
can still work even without /dev/tty by using file descriptor 2
(stderr):

 /*
  * Try /dev/tty.
  * If that doesn't work, use file descriptor 2,
  * which in Unix is usually attached to the screen,
  * but also usually lets you read from the keyboard.
  */

jwe