Solution:Step 1: Understand pattern matchingIn Bash, [[ $var == b* ]] matches strings starting with 'b'.Step 2: Evaluate optionsif [[ $item == b* ]]; then correctly uses pattern matching; others are incorrect or match exact strings.Final Answer:if [[ $item == b* ]]; then -> Option DQuick Check:Use d

[Solved] Given the list:items="car bike bus boat" for item in $items; do # condition here echo $item doneWhich condition will print only items starting with 'b'? | Bash Scripting

Bash Scripting - Loops

Given the list:

items="car bike bus boat"
for item in $items; do
  # condition here
  echo $item
done

Which condition will print only items starting with 'b'?

Aif [ $item == 'b*' ]; then

Bif [ $item = 'b' ]; then

Cif [[ $item =~ ^b$ ]]; then

Dif [[ $item == b* ]]; then

Step-by-Step Solution

Solution:

Step 1: Understand pattern matching
In Bash, [[ $var == b* ]] matches strings starting with 'b'.
Step 2: Evaluate options
if [[ $item == b* ]]; then correctly uses pattern matching; others are incorrect or match exact strings.
Final Answer:
if [[ $item == b* ]]; then -> Option D
Quick Check:
Use double brackets and wildcard * for prefix matching [OK]

Quick Trick: Use [[ $var == prefix* ]] to match strings starting with prefix [OK]

Common Mistakes:

MISTAKES

Using single brackets with wildcard
Matching exact string instead of prefix
Using regex anchors incorrectly

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More Bash Scripting Quizzes

Given the list:

Step 1: Understand pattern matching

Step 2: Evaluate options

Final Answer:

Quick Check:

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