Children can t set.
Ruby set environment variable command line.
If you have the command prompt open already make sure to restart it to ensure your changes are applied.
You are all set now.
You can specify an environment for a rails command such as rails server rails console rails 3 script server or script console rails 2 x from the bash command line as follows.
From the command line you can use the env program.
You can use the rbenv shell command to set this environment variable in your current shell session.
Press ok in the prompt to create the variable followed by ok on the environment variables window.
You can set an environment variable for a one time use.
Command line argument defaults and some rubygems defaults can be set in a gemrc file for individual users and a gemrc in the system configuration directory for all users.
Rails env production rails console remember.
Use the env command to set environment variables for a child without setting them on the parent.
Ruby environment variables ruby interpreter uses the following environment variables to control its behavior.
The first ruby version file found by searching the directory of the script you are executing and each of its parent directories until reaching the root of your filesystem.
To pass environment variables to ruby simply set that environment variable in the shell.
And in bash there s a special syntax to set env vars on the child without setting them on the parent.
I was never able to get that to work using either git bash or the regular windows command line but the command prompt with ruby worked like a charm.
In general rails gets its environment from the rails env shell variable at start up or defaults to development.
This is helpful for api keys but also to set rails mode.
To test if it worked open the command prompt by pressing windows r and typing cmd exe.
The env object contains a list of all the current environment variables set.
Api key 1 ruby e p env api key use this in a terminal outside of irb then ruby will have access to this api key value.
To set an environment variable on the windows command prompt use the set command.
How to set environment variables.
The rubygems environment can be controlled through command line arguments gemrc files environment variables and built in defaults.
Another thing that helped me was searching windows for start command prompt with ruby from that command line ruby worked well and i am able to watch my xampp directory for sass changes.
This varies slightly between operating systems but the concepts remain the same.
