envz_get - Linux
Overview
envz_get is a powerful command-line tool that retrieves environment variables from the Linux operating system. It enables users to access, modify, and manage environment variables within scripts or interactive sessions.
Syntax
envz_get [OPTIONS] [VARIABLE_NAME]
Options/Flags
-a, --all List all environment variables
-d, --delete Delete the specified environment variable
-s, --set Set the specified environment variable to a new value
Examples
Get the value of a specific variable:
envz_get USERNAME
List all environment variables:
envz_get -a
Set the value of a variable:
envz_get -s APACHE_PORT 8080
Delete a variable:
envz_get -d NOT_NEEDED_VAR
Common Issues
- Variable not found: If the specified VARIABLE_NAME does not exist in the environment, envz_get will return an empty string or an error message.
- Syntax errors: Ensure proper command syntax and flag usage.
Integration
envz_get integrates seamlessly with other Linux commands:
- Bash scripting: Use envz_get to access environment variables within bash scripts.
- sed or awk: Process and filter environment variables using stream editors.
- grep: Search for environment variables based on patterns.
Related Commands
- export: Set or modify environment variables.
- unset: Remove environment variables.
- printenv: Display the values of environment variables.