Re: bulletproof way of finding size of terminal?

Replies are listed 'Best First'.
Re^2: bulletproof way of finding size of terminal? by FunkyMonk (Bishop) on Aug 31, 2007 at 19:36 UTC
Here's a litle sub I wrote a while back. For once, I kept some decent comments on where I found it to work, and not work. `# $ENV{COLUMNS} isn't set when running through putty (unless from with +in emacs) # GetTerminalSize returns 0 from emacs, but ok from putty # fallback to 72 if the other two methods fail sub get_terminal_width { -t STDOUT && return (GetTerminalSize)[0] \|\| $ENV{COLUMNS} \|\| 72; return 72; }` [download] The FAQ postings are the only thing I miss from clpmisc	[reply] [d/l] [select]
Re^3: bulletproof way of finding size of terminal? by bcrowell2 (Friar) on Aug 31, 2007 at 22:25 UTC
Hnmn...that doesn't work for me. The $ENV{COLUMNS} is, I think, guaranteed never to work, since COLUMNS isn't an environment variable. The (GetTerminalSize)[0] is, I assume, depending on some module?	[reply]
Re^4: bulletproof way of finding size of terminal? by FunkyMonk (Bishop) on Aug 31, 2007 at 22:49 UTC
`GetTerminalSize` comes from Term::ReadKey that you've already mentioned. I wasn't proposing a solution, just stating some steps, and the problems that I faced, while trying to solve a similar problem. I was really trying to point out things that didn't work.	[reply] [d/l] [select]
Re^2: bulletproof way of finding size of terminal? by bcrowell2 (Friar) on Aug 31, 2007 at 22:23 UTC
Aha -- interesting, thanks! The one thing that's a drag is that the ioctl method doesn't seem to work when you're ssh'd in (even though -T STDOUT is true). Other than that, it's exactly what I need.	[reply]
Re^3: bulletproof way of finding size of terminal? by Joost (Canon) on Aug 31, 2007 at 23:09 UTC
Hmmm... it works for me using OpenSSH_4.6p1 Debian-5, OpenSSL 0.9.8e 23 Feb 2007 on Linux. I guess it will also depend on your ssh client/terminal emulator, and not just on the OS. (I should consult my UNIX bible) "What should it profit a man, if he should win a flame war, yet lose his cool?"	[reply]
Re^4: bulletproof way of finding size of terminal? by bcrowell2 (Friar) on Sep 01, 2007 at 00:55 UTC
Interesting. I was actually trying to do it while ssh'd into a freebsd box, so maybe it just doesn't work on bsd?	[reply]