Variable
Define a variable for use in pages and elsewhere.
Synopsis
Variable identifiers must begin with a capital letter and must only
contain word characters (A-Z, a-z, 0-9 and an underscore).
Variable names are case-sensitive.
Scope
This directive is available for use globally
(in the "interchange.cfg" configuration file),
and locally (in the "catalog.cfg" configuration file).
The global configuration affects all websites running
under the Interchange instance.
Each individual website's local configuration will not affect
or influence other websites in any way.
Description
This directive defines a variable for use in pages and elsewhere.
When defined globally, the variable can be used in all websites,
using the "@@VARNAME@@" notation.
When defined locally, the variable can only be used by the defining
website using the "__VARNAME__" notation.
If a website uses the "@_VARNAME_@" notation then the name will
be looked for in the local variable definitions.
If not found then
the global variables will be searched.
Only variables with ALL_CAPS names will be parsed in local
(catalog.cfg) configuration directives (i.e. A-Z
and 0-9, but not a-z).
Variables are only substituted within configuration files when the
ParseVariables directive is set.
Variables are substituted first in any Interchange page,
and may contain any valid Interchange tags.
Variables names, referenced on pages, are always case-sensitive
and may be made up of any combination of the A-Z,
a-z and 0-9 characters.
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Warning
You should not define any variables names that start with
"MV_" or "IC_".
Also, you should not define
the "CURRENCY" and "LANG" variables.
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See also
