Bash Scripting - Arrays
Which of the following is the correct syntax to declare an empty indexed array named
items in Bash?Which of the following is the correct syntax to declare an empty indexed array named items in Bash?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall how to declare empty arrays in Bash
Empty indexed arrays are declared with parentheses and no elements inside.Step 2: Evaluate each option
items=() uses parentheses correctly. Options B and C use square and curly brackets which are invalid. items='' assigns an empty string, not an array.Final Answer:
items=() -> Option DQuick Check:
Empty Bash array declaration = items=() [OK]
Quick Trick: Use empty parentheses to declare empty arrays [OK]
Common Mistakes:
MISTAKES- Using square or curly brackets instead of parentheses
- Assigning empty string instead of empty array
- Forgetting parentheses altogether
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