Bash Scripting - Arrays
Which of the following is the correct way to declare an indexed array named
pets with elements dog, cat, and bird in Bash?Which of the following is the correct way to declare an indexed array named pets with elements dog, cat, and bird in Bash?
easy🧠 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Bash array declaration syntax
Bash indexed arrays are declared using parentheses with space-separated values, without commas or braces.Step 2: Check each option for correct syntax
pets=(dog cat bird) uses parentheses and space-separated values correctly. pets=[dog, cat, bird] uses square brackets and commas, which is invalid. pets={dog, cat, bird} uses curly braces, which is invalid. pets=("dog", "cat", "bird") uses commas inside parentheses, which is invalid in Bash.Final Answer:
pets=(dog cat bird) -> Option BQuick Check:
Bash indexed array declaration = pets=(dog cat bird) [OK]
Quick Trick: Use parentheses with spaces, no commas for Bash arrays [OK]
Common Mistakes:
MISTAKES- Using commas between elements
- Using square or curly brackets instead of parentheses
- Quoting elements unnecessarily in simple cases
Master "Arrays" in Bash Scripting
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Bash Scripting Quizzes