Set Multiple Environmental Variables On Invocation of Rake Task

Question

I can invoke a Rake task and set a single environmental variable like this:

$ ONE=1 rake temp:both

But how do I set two environmental variables?

This doesn't work:

 $ ONE=1 TWO=2 rake temp:both

This works, but is confusing to read:

$ ONE=1 rake temp:both TWO=2

How can I pass more than one env before the call to rake?

```ONE=1 TWO=2 ruby -e 'puts ENV["ONE"]; puts ENV["TWO"]'``` works for me (also with ```rake```), in bash and in zsh (gnome-term). — Ernest, Feb 04 '14 at 22:25

score 4 · Accepted Answer · answered Feb 04 '14 at 22:28

4

Agree with @Ernest; it should work. Here's a sample...

Sample rake task to echo vars:

task :echo_env do
  puts "VAR1: #{ENV['VAR1']}"
  puts "VAR2: #{ENV['VAR2']}"
end

Execute task:

VAR1=first VAR2=second bundle exec rake echo_env

Output:

VAR1: first
VAR2: second

answered Feb 04 '14 at 22:28

steakchaser

One of the envs I was passing in was `RAILS_ENV`. This was switching the environment and making a Rake task included in a Gem that was in the development group unavailable, causing error. – Undistraction Feb 05 '14 at 09:20

1 Answers1