[Solved] What will be the output of this script?VAR=hello function test_func() { local VAR=world echo $VAR } test_func echo $VAR | Bash Scripting

Bash Scripting - Variables

What will be the output of this script?

VAR=hello
function test_func() {
  local VAR=world
  echo $VAR
}
test_func
echo $VAR

Aworld hello

Bhello hello

Cworld world

Dhello world

Step-by-Step Solution

Solution:

Step 1: Analyze variable inside function
The function declares a local variable VAR with value 'world', so echo $VAR inside prints 'world'.
Step 2: Analyze variable outside function
The global VAR remains 'hello', so echo $VAR after function call prints 'hello'.
Final Answer:
world hello -> Option A
Quick Check:
Local inside function, global outside [OK]

Quick Trick: Local variables override global only inside functions [OK]

Common Mistakes:

MISTAKES

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