How to access environment variables in gradle java build script

Question

How can I access environment variables (either user level or system level) in gradle java build script.
I am new to gradle and I am trying to build my project using the gradle.
Presently I have hardcoded the path of third party jars as shown in the script below

repositories {
   flatDir  {
           dirs 'D:\\lib'
   }
}

I have created an environment variable "Third_Party" in enviroment variable:

Third_Party=D:\lib

How can I use this variable i.e. "Third_Party" instead of hardcoding the library path in script.
Please tell the exact syntax

chenrui · Accepted Answer · 2017-07-18 07:28:57Z

36

try this way System.getenv("env var name") like

home = System.getenv('Third_Party')

task env_read << {
    println "$System.env.HOME"
    //Other way of accessing the environment variable.
    println  System.getenv('Third_Party')
}

edited Jul 18, 2017 at 7:28

chenrui

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answered Jan 13, 2015 at 6:53

abdotalaat

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3 Comments

tech developer Over a year ago

Pls tell me how can I refer to this "home" inside "repositories" repositories { flatDir { dirs 'D:\lib' } }

Opal Over a year ago

Why not? It should be the following piece of code: repositories { flatDir { dirs "${System.env.HOME}\lib" } }

Rafs Over a year ago

The first method worked for me to populate a manifest key from an env var. The second method produced: > The value of a manifest attribute must not be null (Key=Implementation-Version).

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