e is a utility to print the value of the specified environment variable. It also provides case insensitive bash completions for all environment variables.
usage: e [-h] [-q] [-v] <environment variable name>
Print the value of the specified environment variable. If the variable is not set, exit with a non-zero status.
| Option | Description |
|---|---|
-h, --help |
Show this help message and exit. |
-q, --quiet |
Do not write anything to stdout. Exit immediately with zero status if the variable is set. |
-v, --version |
Show the version of e and exit. |