How to Export a Multi-line Environment Variable in Bash/Terminal e.g: RSA Private Key

Question

One of our Apps github-backup requires the use of an RSA Private Key as an Environment Variable.

Simply attempting to export the key it in the terminal e.g: te

Answer 1

You can also use a bash heredoc:

export MY_CERTIFICATE=$(cat <

Once you set it you can access it as a regular env variable echo $MY_CERTIFICATE.