Indexed array declaration in Bash Scripting - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare an indexed array named 'fruits' with three elements.

Bash Scripting

fruits=[1]

Drag options to blanks, or click blank then click option'

A(apple banana cherry)

B[0]=apple [1]=banana [2]=cherry

C"apple" "banana" "cherry"

Dapple, banana, cherry

Attempts:

3 left

💡 Hint

Common Mistakes

Using commas between elements instead of spaces.

Using quotes around the whole list instead of individual elements.

Using key=value pairs which is for associative arrays.

In bash, indexed arrays are declared using parentheses with space-separated values, like (apple banana cherry).

2fill in blank

medium

Complete the code to print the second element of the 'colors' array.

Bash Scripting

echo ${colors[1]

Drag options to blanks, or click blank then click option'

A[2]

B[0]

C[1]

D[3]

Attempts:

3 left

💡 Hint

Common Mistakes

Using index 2 instead of 1 for the second element.

Forgetting the square brackets around the index.

Array indices in bash start at 0, so the second element is at index 1.

3fill in blank

hard

Fix the error in the array declaration to correctly declare an indexed array named 'numbers'.

Bash Scripting

numbers=[1]

Drag options to blanks, or click blank then click option'

A(1 2 3 4 5)

B[1 2 3 4 5]

C{1,2,3,4,5}

D"1 2 3 4 5"

Attempts:

3 left

💡 Hint

Common Mistakes

Using square brackets which is invalid for array declaration.

Using curly braces or quotes which create strings, not arrays.

Indexed arrays in bash are declared with parentheses and space-separated values.

4fill in blank

hard

Fill both blanks to declare an indexed array 'pets' with three elements and print the first element.

Bash Scripting

pets=[1]
echo ${pets[2]

Drag options to blanks, or click blank then click option'

A(dog cat bird)

B[0]

C[1]

D"dog cat bird"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes instead of parentheses for declaration.

Using index 1 instead of 0 to access the first element.

The array is declared with parentheses and elements separated by spaces. The first element is at index 0.

5fill in blank

hard

Fill all three blanks to declare an indexed array 'tools', add a new element, and print the last element.

Bash Scripting

tools=[1]
tools[[2]]=[3]
echo ${tools[2]}

Drag options to blanks, or click blank then click option'

A(hammer screwdriver)

B2

C"wrench"

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong indices when adding or printing elements.

Not using quotes around the new element string.

Declare the array with two elements, add a third at index 2, then print the element at index 2.