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Why is it recommended to use \( and \) when combining multiple logical operators inside [ ] in bash scripting?

hard🧠 Conceptual Q10 of 15
Bash Scripting - Conditionals
Why is it recommended to use \( and \) when combining multiple logical operators inside [ ] in bash scripting?
ATo improve script execution speed
BTo group conditions and control operator precedence
CTo escape special characters in file names
DTo comment out parts of the condition
Step-by-Step Solution
Solution:

  1. Step 1: Understand operator precedence in [ ]

    Logical operators inside [ ] have precedence rules; grouping with \( and \) clarifies evaluation order.

  2. Step 2: Purpose of grouping parentheses

    Using \( and \) groups conditions so AND and OR are evaluated as intended, avoiding logic errors.

  3. Final Answer:

    To group conditions and control operator precedence -> Option B

  4. Quick Check:

    Grouping controls logic evaluation order [OK]
Quick Trick: Use \( \) to group conditions and avoid logic errors [OK]
Common Mistakes:
MISTAKES
  • Thinking \( \) are for escaping filenames
  • Assuming they speed up scripts
  • Confusing with comments

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