Bash Scripting - Functions
What will be the output of this bash script?
say_hello() {
echo "Hello, $1!"
}
say_hello AliceWhat will be the output of this bash script?
medium📝 Command Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand function call with argument
The functionsay_hellotakes one argument and prints it using$1.Step 2: Substitute argument and print
Callingsay_hello Alicereplaces$1with "Alice", so output is "Hello, Alice!".Final Answer:
Hello, Alice! -> Option BQuick Check:
Function argument $1 = Alice [OK]
Quick Trick: Use $1 to access first argument inside bash functions [OK]
Common Mistakes:
MISTAKES- Printing literal $1 instead of its value
- Forgetting to call the function
- Syntax errors in function definition
Master "Functions" in Bash Scripting
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