The locations of the files of the distribution are defined by four main environment
variables, ROSETBAS, ASTEXDIR, ASTEXBAS and HOME:
-
ROSETBAS contains the value of the main directory of the programs and
files of the CD-ROM. For example, if the name of the CD-ROM drive is
D:, the environment variable ROSETBAS will contain D:\ast.
-
ASTEXDIR contains the value of the main directory of the configuration
files of the distribution. This directory must be accessible in writing, as
well as all its subdirectories, so that the configuration files can be written
there. If the variable ASTEXDIR was not defined before installation, it is
taken equal to C:\ast\astex by the installation program of the Rosetta
CD-ROM.
-
ASTEXBAS contains the value defined by the AsTeX distribution if the
latter is installed. Otherwise, it contains the same value as ROSETBAS.
For example, if the AsTeX distribution is installed in a drive of name
T:, ASTEXBAS has the value T:\ast. If the distribution is not installed,
ASTEXBAS has the value D:\ast.
-
HOME contains the location of the configuration files of Emacs. At
installation time, its value is defined by adding \emacs to the value of
ASTEXDIR. With the example above, the value of HOME is C:\ast\astex\-
emacs.
The values of these variables are saved during the installation in the file
autoexec.bat and in the file rosetini.bat of the directory contained in ASTEXDIR.
Under Windows NTx, they are also registered in the registry database, but solely for
the user who did the installation, in its zone Variables utilisateur (User's
variables) of Windows' configuration panel. To know their values, one can consult
these two files or type set in a command window. Under Windows NTx, one can also
examine the registry database.
