Well I was totally wrong here. Of course this is not a bug in fish or
the man page, it is my mistake. I shouldn't have used the dollar sign
in set -q. Here is corrected code:
if set -q COLUMNS LINES; echo both defined; end
On Tue, Nov 11, 2014, at 05:45 PM, Greg Reagle wrote:
> Forgot to send to the list.
>
> ----- Original message -----
> From: Greg Reagle <greg.rea...@umbc.edu>
> To: Marcin Zajączkowski <msz...@wp.pl>
> Subject: Re: [Fish-users] Problem with -n in a conditional statement
> Date: Tue, 11 Nov 2014 17:44:37 -0500
>
> On Tue, Nov 11, 2014, at 05:29 PM, Marcin Zajączkowski wrote:
> > The next problem I encounter is how to check two variables in one if
> > statement.
>
> There are several ways of doing this. Here is one:
> set -q $COLUMNS $LINES; if test $status = 2; echo both defined; end
> Note that this means that the man page for set is incorrect. It
> currently says "exit status is the number of variables specified that
> were not defined", but it the way it actually behaves for me is "exit
> status is the number of variables specified that were defined".
>
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