Bash Scripting - Arrays
Given the Bash array
arr=(a b c d e), what is the output of echo ${arr[@]:1:3}?Given the Bash array arr=(a b c d e), what is the output of echo ${arr[@]:1:3}?
medium📝 Command Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the array and slice parameters
The array is(a b c d e). The slice starts at index 1 and takes 3 elements.Step 2: Extract elements from index 1 to 3
Index 0 = a, 1 = b, 2 = c, 3 = d, 4 = e. Taking 3 elements from index 1 gives: b, c, d.Final Answer:
b c d -> Option DQuick Check:
Slice from 1 length 3 = b c d [OK]
Quick Trick: Count from zero, pick length elements starting at start [OK]
Common Mistakes:
MISTAKES- Starting count at 1 instead of 0
- Taking wrong number of elements
- Confusing output with full array
Master "Arrays" in Bash Scripting
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Bash Scripting Quizzes