From: Daniel Berger <djberg96@...>
Date: 2007-08-08T05:04:51+09:00
Subject: Re: Need Solaris Help



On Aug 7, 1:39 pm, James Edward Gray II <ja...@grayproductions.net>
wrote:
> On Aug 7, 2007, at 2:17 PM, Coey Minear wrote:
>
>
>
> > ronald braswell writes:
> >> On 8/7/07, Gregory Brown <gregory.t.br...@gmail.com> wrote:
>
> >>> On 8/7/07, James Edward Gray II <ja...@grayproductions.net> wrote:
> >>>> I'm told the following bit of code doesn't work on Solaris:
>
> >>>>        # A Unix savvy method to fetch the console columns, and
> >>>> rows.
> >>>>        def terminal_size
> >>>>         `stty size`.split.map { |x| x.to_i }.reverse
> >>>>        end
>
> >>>> HighLine makes use of this method as does Capistrano by
> >>>> extension, so
> >>>> we need find a portable solution.
>
> >>> Ruport vendors this chunk of code, so sorry for the 'me too', but
> >>> me too!
>
> >> This is not pretty but it works on my Solaris 10 x64 box.   But
> >> you may have
> >> been looking
> >> for something more elegant.
>
> >> if `stty` =~ /.*\brows = (\d+).*\bcolumns = (\d+)/
> >>   rows    = $1
> >>   columns = $2
> >> end
>
> >> Ron
>
> > Here's my stab at a cross-platform implementation:
>
> >  def terminal_size
> >    if /solaris/ =~ RUBY_PLATFORM
> >      output = `stty`
> >      [output.match('columns = (\d+)')[1].to_i,
> >       output.match('rows = (\d+)')[1].to_i]
> >    else
> >       `stty size`.split.map { |x| x.to_i }.reverse
> >     end
> >  end
>
> > I did a quick test on Solaris (9 and 10), FreeBSD and Linux, and got
> > the same results in every case.  (No guarantees on AIX, HP-UX, etc.)
>
> Thanks all.  I appreciate the help.

James,

I think you're better off using this snippet that Greg Hurrell showed
you earlier this year instead of shelling out at all. I've modified it
to use the correct value of TIOCGWINSZ for Solaris:

TIOCGWINSZ = 21608
buf = [0, 0, 0, 0].pack('SSSS')
if $stdin.ioctl(TIOCGWINSZ, buf) >= 0
  rows, cols, xpixels, ypixels = buf.unpack("SSSS")
  p rows, cols, xpixels, ypixels
else
  puts "Unable to get window size"
end

[24, 80, 730, 370]

Regards,

Dan

PS - First time I think I've ever used IO#ioctl for anything. :)