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7 Δεκ 2023 · The case statement in Bash matches an expression with patterns in clauses and executes statements accordingly. Multiple patterns can be used in a single clause, making the script more concise and efficient. Digits or numerical variables can also be used in case statements.
29 Μαρ 2016 · The case statement allows you to easily check pattern (conditions) and then process a command-line if that condition evaluates to true. In other words the $variable-name is compared against the patterns until a match is found.
1 Οκτ 2024 · The case command in Linux is an essential tool for simplifying script logic, especially when multiple if/elif conditions need to be evaluated for a single variable. It offers a more readable and efficient way to execute commands based on pattern matching, making your shell scripts easier to maintain and understand.
24 Οκτ 2024 · The case statement tests input values and executes a corresponding command based on a matched pattern. It's ideal for various shell scripting tasks, such as creating menus, handling errors, or automating tasks like starting, stopping, or restarting services.
18 Μαρ 2024 · The syntax of the Bash case statement consists of the “ case ” keyword followed by the value to be matched, the “ in ” keyword, and one or more patterns with corresponding code blocks enclosed in “;; ” statements: case EXPRESSION in. PATTERN_1) STATEMENTS. ;; PATTERN_2) STATEMENTS.
5 Ιουλ 2021 · Instead of a bunch of nested if else statements, using case statements can drastically reduce the number of lines in your bash script, making it easier to understand and follow the logic.
15 Σεπ 2023 · A case statement in bash scripts is used when a decision has to be made against multiple choices. In other words, it is useful when an expression has the possibility to have multiple values. This methodology can be seen as a replacement for multiple if-statements in a script.
