Which version of Java are you using? Oracle's v9 can specify "argument
files" using @path/file on the command-line. It sounds like you want to
specify a file rather than pick up the system default:

https://docs.oracle.com/javase/9/tools/java.htm#JSWOR-GUID-BE93ABDC-999C-4CB5-A88B-1994AAAC74D5

But Justin's answer is good, and you can extend it slightly by specifying a
different user profile to run different Java - as long as each has a
system.properties file in their home folder then you can choose which you
want that way.

On Fri, 15 Mar 2019 at 13:40, Justin Taylor <JUSTIN@xxxxxxxxxxxxx> wrote:

You mean like this?
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/rzaha/sdpropf.htm



-----Original Message-----
From: David Gibbs via JAVA400-L [mailto:java400-l@xxxxxxxxxxxxxxxxxx]
Sent: Thursday, March 14, 2019 3:24 PM
To: java400-l@xxxxxxxxxxxxxxxxxx
Cc: David Gibbs <david@xxxxxxxxxxxx>
Subject: Set java system properties based from properties file instead of
command line?

Folks:

Does anyone know if there is a way to invoke Java code (on the i or not)
so that system properties are loaded from a property file instead of the
command line?

What I want to do is avoid using -Dproperty=value or PROP((property
value)) and just specify a property file that all those system properties
would be specified in.

Thanks!

david

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