How to modify process environment variables

[Jacob Carlborg]

On 2017-10-17 06:51, Ky-Anh Huynh wrote:
> Hi,
> 
> Is it possible to change the current process's environment variables?
> 
> I have looked at `std/process.d` source code, and there is only a 
> private method `createEnv` used when new (sub)process is created.
> 
> In C `putEnv` the answer is positive: 
> http://man7.org/linux/man-pages/man3/putenv.3.html (FIXME)
> 
> I come to this question as I want to set some custom variables for my 
> unittests. My program reads some tokens from system environments, and 
> it's convenient if I can simulate different cases for testings.
> 
> Thanks for your reading and support.

Use std.process.environment [1] and assign to it like an associative array.

[1] https://dlang.org/phobos/std_process.html#.environment.opIndexAssign

-- 
/Jacob Carlborg