[Solved] In a Bash function, why would you use the local keyword when declaring a variable? - Ans: To restrict the variable's scope to the function only | Bash Scripting

Bash Scripting - Functions

In a Bash function, why would you use the local keyword when declaring a variable?

ATo restrict the variable's scope to the function only

BTo make the variable accessible globally

CTo declare a variable that persists after the function ends

DTo export the variable to child processes

Step-by-Step Solution

Solution:

Step 1: Understand variable scope
Variables declared without local inside functions are global by default.
Step 2: Purpose of local
The local keyword limits the variable's scope to the function, preventing side effects outside.
Final Answer:
To restrict the variable's scope to the function only -> Option A
Quick Check:
Local variables are function-scoped [OK]

Quick Trick: Local limits variable scope to function only [OK]

Common Mistakes:

MISTAKES

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In a Bash function, why would you use the local keyword when declaring a variable?