To test if it worked open the command prompt by pressing windows r and typing cmd exe.
Ruby set environment variable command line.
To set an environment variable on the windows command prompt use the set command.
This is helpful for api keys but also to set rails mode.
Ruby environment variables ruby interpreter uses the following environment variables to control its behavior.
Use the env command to set environment variables for a child without setting them on the parent.
This varies slightly between operating systems but the concepts remain the same.
Press ok in the prompt to create the variable followed by ok on the environment variables window.
Children can t set.
From the command line you can use the env program.
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.
If you have the command prompt open already make sure to restart it to ensure your changes are applied.
The rbenv version environment variable if specified.
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.
How to set environment variables.
You can use the rbenv shell command to set this environment variable in your current shell session.
You can set an environment variable for a one time use.
How to pass custom environment variables into ruby s system method.
In general rails gets its environment from the rails env shell variable at start up or defaults to development.
And in bash there s a special syntax to set env vars on the child without setting them on the parent.
The rubygems environment can be controlled through command line arguments gemrc files environment variables and built in defaults.
You are all set now.
To pass environment variables to ruby simply set that environment variable in the shell.
Inside the command prompt execute.
The env object contains a list of all the current environment variables set.
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.