Bash Scripting - Functions
What will be the output of this script?
add() {
echo $(( $1 + $2 ))
}
add 3 7What will be the output of this script?
medium📝 Command Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand function and arithmetic evaluation
The functionaddsums its two arguments using arithmetic expansion$(( )).Step 2: Calculate the sum of 3 and 7
3 + 7 equals 10, so the function outputs 10.Final Answer:
10 -> Option CQuick Check:
Arithmetic expansion sums arguments correctly [OK]
Quick Trick: Use $(( )) for arithmetic inside functions [OK]
Common Mistakes:
MISTAKES- Concatenating arguments instead of adding
- Missing arithmetic expansion
- Syntax errors in function
Master "Functions" in Bash Scripting
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