[ test ] vs [[ test ]] in Bash and Zsh: Differences, Examples, and Best Practices
Reading Time: 3 minutes [ test ] vs [[ test ]] in Shell Scripting (Bash & Zsh): Differences, Examples, and Best Practices Introduction Shell scripting often appears simple—until a conditional expression silently breaks your script. One of the most common and costly mistakes in Bash and Zsh scripting is misunderstanding the difference between: [ test ] and [[ test ]] Although they […]