[erlang-questions] Changing environment variables for an application started from boot script

Ulf Wiger <>
Mon Aug 13 00:25:15 CEST 2007


You can override the variables in the .app file either by adding
them to the command line, or by using a system configuration
file (.config).

The .config file (often called sys.config) is identified from the
command line with the -sys <path>/sys flag.


http://www.erlang.org/doc/design_principles/applications.html

Chapter 7.8, Configuring an Application

BR,
Ulf W

2007/8/12, Kirill Zaborski <>:
> Hello everyone!
> I've created an application and a boot script to start it. But now it looks
> like I can not use .app-file to change the variables I need to change. Why
> is it so?
> At the moment it looks like I need to rebuilt the boot script every time
> anything is changed. And what if need the system to run 24x7?
> Or maybe I miss some other way around?
>
> Best regards,
> Kirill.
>
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