The environment variable
GCAL can hold a set of default options for Gcal
(see Environment Variable
These options are interpreted first at program start-up, and some can be
overwritten by explicit command line arguments or values found in a
@file response file.
See Command line arguments,
for further information.
GCAL="-i @color -b 3"; export GCAL
setenv GCAL "-i @color -b 3"
set GCAL=-i @color -b 3
On Vax/VMS, the name of the environment variable is
avoid a conflict with the symbol
GCAL set for invocation of the program.
define GCAL_OPT "-i @color -b 3"