What is the output of this script?

medium📝 Command Output Q4 of 15

Bash Scripting - Functions

greet() {
  echo "Hi, $1!"
}
greet Bob

AError: function not found

Bgreet Bob

CHi, $1!

DHi, Bob!

Step-by-Step Solution

Solution:

Step 1: Understand function definition and call
The function greet prints "Hi, $1!", where $1 is the first argument passed.
Step 2: Substitute argument and output
Calling greet Bob replaces $1 with "Bob", so output is "Hi, Bob!".
Final Answer:
Hi, Bob! -> Option D
Quick Check:
Function argument substitution = output with argument [OK]

Quick Trick: Use $1 for first argument inside function [OK]

Common Mistakes:

MISTAKES

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