Re: x-terminal-emulator & xterm
On Mon, May 06, 2002 at 12:40:26AM -0700, Vineet Kumar wrote:
> * Andy Saxena (andyML@nyc.rr.com) [020505 23:16]:
> > Hi,
> >
> > For some reason, when I invoke x-terminal-emulator, which points to
> > xterm, results in different background, foreground, etc. settings than
> > if I were to invoke xterm directly.
> >
> It has to do with the way xterm loads its X Resources. These may be
> specified in your ~/.Xresources file. For example, in mine, I have some
> settings like these:
>
> XTerm*scrollBar: on
> xterm-mutt*scrollBar: false
>
> now, when I invoke xterm via "xterm -name mutt", I get an xterm without
> a scrollbar. If I invoke just plain "xterm", I get a scrollbar. That
> shows specifying the name explicitly on the command line; it defaults to
> the name by which the xterm was called. For example, I could create a
> symlink with "ln -s /usr/X11R6/bin/xterm xterm-mutt" and invoke
> ./xterm-mutt without any arguments, and the xterm-mutt X resources would
> be used. In your case, different resources are being loaded for
> 'x-terminal-emulator' and 'xterm'.
>
> > In general, if xterm is invoked via a symlink, the result is different!
> > I was under the impression that invoking a program via a symlink is
> > transparent as far as the execution context of the program is concerned.
>
> It is on some levels; the symlink is dereferenced to get to the actual
> code of the executable. A program can tell how it was called by looking
> at argv[0], though. You should get the same result if you copy (instead
> of symlinking) to a different name and running the copy. With the
> symlink, the execution is identical, but the environment (containing the
> command line) is different.
>
Very interesting. Perhaps you could also tell me a way to look up the
original symlink entry?
Also, how would i get a symlink to point to "xterm -mutt"? The man page
is quite pathetic in its documentation.
Thanks,
Andy
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