In this chapter of bash beginner series, you'll learn about using if-else, nested if else and case statements in bash scripts.

2023年12月22日 · Bash if-elif-else Statement. The if-elif-else statement in Bash is used for conditional branching. It allows you to specify multiple conditions and execute different blocks of code based on the evaluation of these conditions. The basic syntax of an `if-elif-else` statement in Bash: #!/bin/bash. if [ condition1 ]; then

Conditional expressions are used by the [[ compound command (see Conditional Constructs) and the test and [ builtin commands (see Bourne Shell Builtins). The test and [ commands determine their behavior based on the number of arguments; see the descriptions of those commands for any other command-specific actions.

2024年5月9日 · The OR (||) operator in Bash is a logical operator used to group multiple conditions inside an ‘if’ statement. It allows the execution of a command or a code block if at least one of the conditions is true. The basic syntax for using the ‘OR’ operator within an ‘if’ condition in Bash is as follows:

2023年5月2日 · Use the Linux Bash if statement to build conditional expressions with an if then fi structure. Add elif keywords for additional conditional expressions, or the else keyword to …

2020年12月15日 · How to implement an if statement at the Bash command line; How such if statements can also be used inside a Bash scripts; Examples showing you the if, elif, else, then and fi clauses in Bash

Bash if statements. Learn if statements, else, elif and case statements with sample scripts, detailed descriptions and challenges.

Bash IF statement is used for conditional branching in the sequential flow of execution of statements. Learn Bash IF with syntax and example shell scripts.

2024年5月9日 · 3 Different Cases of ‘If Statement’ in Bash. In Bash scripting, ‘if’ is a versatile conditional statement that contains many options (conditional operators) to perform a specific task.

At times you need to specify different courses of action to be taken in a shell script, depending on the success or failure of a command. The if construction allows you to specify such conditions. The most compact syntax of the if command is: if TEST-COMMANDS; then CONSEQUENT-COMMANDS; fi.