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From: peter@graffiti.UUCP (Peter da Silva)
Newsgroups: net.unix-wizards
Subject: Re: Mysterious transformation of tset(1) output on Suns
Message-ID: <308@graffiti.UUCP>
Date: Tue, 15-Oct-85 13:29:15 EDT
Article-I.D.: graffiti.308
Posted: Tue Oct 15 13:29:15 1985
Date-Received: Fri, 18-Oct-85 00:39:50 EDT
References: <483@smeagol.UUCP>
Distribution: net
Organization: The Power Elite, Houston, TX
Lines: 10

> I have a question for the Sun gurus.  When inside the window system,
> executing "tset -QS" directly from the shell gives output that
> 'knows' about the size (lines, columns) of the current window: 
> But lo and behold; if you should try to do anything with this output, like
> put it between `` for use with eval, or even through a pipe or a redirected
> output, the output suddenly mysteriously changes back to a 'normal' sun
> termcap entry:

Sounds like tset is using stdout for the ioctl that reads the real screen
size. OOPS (as tgoto(3) said after I did something similar).