getEnv

getEnv(name, [default])

Return the value of the specified environment variable. Otherwise return default.

name is a STRING scalar indicating the name of an environment variable.

default is a STRING scalar indicating the value to be returned when the environment variable does not exist. If it is unspecified, return an empty string.

A Boolean scalar.

getEnv("path")
// output: C:\ProgramData\DockerDesktop\version-bin;C:\Program Files\Docker\Docker\Resources\bin;

getEnv("JAVA_HOME");
// output: C:\Program Files\Java\jdk1.8.0_191

getEnv("not_exist","not exist")
// output: not exist