How to list all `env` properties within jenkins pipeline job?

Question

Given a jenkins 2.1 build pipeline, jenkins injects a env variable into the node{}. For example, BRANCH_NAME can be accessed with

Answer 1

if you really want to loop over the env list just do:

def envs = sh(returnStdout: true, script: 'env').split('\n')
envs.each { name  ->
    println "Name: $name"
}