Re: xterms disappear when non-existent command given in background
Re: xterms disappear when non-existent command given in background
- Subject: Re: xterms disappear when non-existent command given in background
- From: Ronald Cohen <email@hidden>
- Date: Tue, 13 Jan 2004 13:09:30 -0800
Tom, I guess you missed the earlier part of the thread. The point of
the discussion is
how Apple's tcsh responds to a request for a non-existent command in
the background.
the point about asdfasdf in the example here is that it doesn't exist.
In an X11 xterm with
tcsh, typing asdfasdf & is enough to make the xterm disappear, instead
of giving a warning
about "command not found". The "set ignoreof" trick is a
work-around for the underlying
problem; we're just speculating now on the source of the underlying
problem.
-Ron-
On Tuesday, January 13, 2004, at 12:16 PM, Thomas 'Tom' R. Treadway
III wrote:
It simply appear that your PATH is at issue. Try: ./asdfasdf &
or what ever the absolute path is to asdfasdf.
trt
Thanks, this is very helpful. It is interesting though that after
implementing the fix, if you do the test as indicated, one gets a
response indicating
that the shell thought you were trying to exit:
% asdfasdf &
[1] 509
asdfasdf: Command not found.
Use "exit" to leave tcsh.
[1] Exit 1 asdfasdf
%
That is 'sort of' expected, and may point to the actual bug. It's
been a long time since I looked at any of this code, but I have a
vague recollection that this behavior is a tcsh problem that comes
from either how it's configured or how it's built.
Someone who's actually had his hands in the code may be able to
figure this out.
Regards,
Justin
--
Justin C. Walker, Curmudgeon-At-Large *
Institute for General Semantics | Some people have a mental
| horizon of radius zero, and
| call it their point of view.
| -- David Hilbert
*--------------------------------------
*-------------------------------*
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Thomas R. Treadway
Computer Scientist
Lawrence Livermore Nat'l Lab
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