Wayne Saslow wrote:
> If I try to get gnuplot from Terminal, I get the gnuplot login info,
> followed by
> ***
> Terminal type set to 'unknown'
> ***
>
> If I try "set term x11" I get the response
> ***
> Terminal type set to 'x11'
> Options are '0'
> gnuplot>
> gnuplot: unable to open display ''
> gnuplot: X11 aborted.
> ***
You get that response on "set term x11" for the same reason that caused
the defaul terminal type to rever to "unknown": your Terminal session
is misconfigured for running X11 programs. The environment variable
DISPLAY is missing. Without that, *no* X11 program can be expected to work.
> Problem 2 is curious:
> If I open a window in xterm, gnuplot is defined only in the home
> directory.
That's a sign of trouble. It would indicate you put the gnuplot binary
directly into your home directory --- that's definitely not where you
want to install such things. You should either do it the "Microsoft
Way" (i.e. one installation directory tree per program, and a *very
long* PATH statement listing all those you don't want to call with an
explicit complete path), or the Unix way (a few directories like
/usr/bin, /usr/local/bin and $HOME/bin which hold all installed programs).
> I thought that I had added the appropriate path to
> etc/usr/csh.login.
Don't rely on what you thought you did --- check what actually is set,
and what isn't. Is your xterm really using csh as its login shell? If
so, what *is* the path set to (--> type "echo $path" or "echo $PATH").
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