%% Thanks to Ulf Wiger at Ericcson for these comments:
%%
%% This file is identified via the erl command line option -config File.
%% Note that File should have no extension, e.g.
%% erl -config .../sys (if this file is called sys.config)
%%
%% In this file, you can redefine application environment variables.
%% This way, you don't have to modify the .app files of e.g. OTP applications.
[].