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Compatibility Test: Rational Rose (Rational Test) set up system environment variables which confuse Cygwin.
- To: <cygwin at cygwin dot com>
- Subject: Compatibility Test: Rational Rose (Rational Test) set up system environment variables which confuse Cygwin.
- From: "Weichang Yang" <weichang dot yang at metera dot com>
- Date: Mon, 7 May 2001 15:51:22 -0400
OS: Windows 2000 ver5.00.2195
Cygwin: 1.3.1 (uname -r)
Software: Rational Rose 2001
How do reproduce the problem:
1. On a fresh setup of Windows 2000, install cygwin. In order to make
sure everything works fine, test it with the following commands:
(1)cd;pwd (should be /home/<user_name)
(2)man ls (should correctly display man page for ls)
(3)vi (should start up vim that's shipped with cygwin)
2. Now install Rational Rose 2001 Enterprise Edition. Then launch a new
cygwin session, try with the above commands again:
(1)cd;pwd (it shows /cygdrive/c)
(2)man ls
WARNING: terminal is not fully functional
- (press RETURN)
(3)vi
Terminal entry not found in termcap
'nutc' not known. Available builtin terminals are:
builtin_riscos
builtin_amiga
builtin_beos-ansi
builtin_ansi
builtin_pcansi
builtin_win32
builtin_vt320
builtin_vt52
builtin_xterm
builtin_iris-ansi
builtin_debug
builtin_dumb
defaulting to 'ansi'
Analysis:
During installation, Rational Rose (or Rational Test?) sets a bunch of
system environment variables including the following four:
TERM=nutc
TERMCAP=C:\PROGRA~1\RATIONAL\RATION~1\NUTCROOT\etc\termcap
TERMINFO=C:\PROGRA~1\RATIONAL\RATION~1\NUTCROOT\usr\lib\terminfo
HOME=C:\
Cygwin is very sensitive to these four values. And apprently Rational's
termcap setting is not compatible with cygwin's.
How to fix it:
One of the quick solutions is to add the following lines into
c:\cygwin\cygwin.bat:
set TERM=
set TERMINFO=
set TERMCAP=
set HOME=
rem Now it's safe to launch bash shell.
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