Bash Scripting - Arrays
Which of the following is the correct syntax to store the length of a bash array
files into a variable count?Which of the following is the correct syntax to store the length of a bash array files into a variable count?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Use correct length syntax
To get the number of elements, use${#files[@]}.Step 2: Assign to variable
Assigning withcount=${#files[@]}stores the array length incount.Final Answer:
count=${#files[@]} -> Option CQuick Check:
Variable count = ${#files[@]} [OK]
Quick Trick: Assign length with count=${#array[@]} to get element count [OK]
Common Mistakes:
MISTAKES- Using count=${files[@]} which assigns all elements, not length
- Using count=${#files} which gives length of first element
- Forgetting to use ${} around the expression
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