Bash Scripting - Arrays
What is the correct way to get the number of elements in a bash array named
servers?What is the correct way to get the number of elements in a bash array named servers?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall array length syntax
${#array[@]}returns the count of elements.Step 2: Apply to
Useserversecho ${#servers[@]}to print number of elements.Final Answer:
echo ${#servers[@]} -> Option DQuick Check:
Use # and [@] to get count [OK]
Quick Trick: Use echo ${#array[@]} to print length [OK]
Common Mistakes:
MISTAKES- Using ${#servers} which gives length of first element
- Using ${servers[@]} which prints all elements
- Using ${servers} which prints first element
Master "Arrays" in Bash Scripting
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