if-elif-else in Bash Scripting - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to check if the variable 'num' is equal to 10.

Bash Scripting

if [ $num [1] 10 ]; then
  echo "Number is ten"
fi

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

A==

B=

C!=

D-eq

Attempts:

3 left

💡 Hint

Common Mistakes

Using '=' or '==' which are for strings, not numbers.

Forgetting spaces around brackets and operators.

In bash, to compare integers, use -eq inside the test brackets.

2fill in blank

medium

Complete the code to add an elif branch that checks if 'num' is greater than 10.

Bash Scripting

if [ $num -eq 10 ]; then
  echo "Number is ten"
elif [ $num [1] 10 ]; then
  echo "Number is greater than ten"
fi

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

A-gt

B-lt

C-eq

D==

Attempts:

3 left

💡 Hint

Common Mistakes

Using '-lt' which means 'less than'.

Using '==' which is for strings, not numbers.

The operator -gt means 'greater than' for integers in bash.

3fill in blank

hard

Fix the error in the else branch syntax.

Bash Scripting

if [ $num -eq 10 ]; then
  echo "Number is ten"
elif [ $num -gt 10 ]; then
  echo "Number is greater than ten"
[1]
  echo "Number is less than ten"
fi

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

Aelse

Belif

Cthen

Dfi

Attempts:

3 left

💡 Hint

Common Mistakes

Writing 'elif' without a condition.

Using 'then' alone without 'else'.

The else branch starts with the keyword else without any condition.

4fill in blank

hard

Fill both blanks to correctly compare a string variable 'color' with 'red' and 'blue'.

Bash Scripting

if [ "$color" [1] "red" ]; then
  echo "Color is red"
elif [ "$color" [2] "blue" ]; then
  echo "Color is blue"
else
  echo "Color is something else"
fi

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

A=

B!=

C==

D-eq

Attempts:

3 left

💡 Hint

Common Mistakes

Using '-eq' which is for numbers.

Using '!=' when checking for equality.

For string comparison in bash, = and == are valid inside [ ].

5fill in blank

hard

Fill all three blanks to create a nested if-elif-else that checks if 'score' is above 90, above 75, or else.

Bash Scripting

if [ $score [1] 90 ]; then
  echo "Grade A"
elif [ $score [2] 75 ]; then
  echo "Grade B"
[3]
  echo "Grade C"
fi

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

A-gt

B-ge

Celse

D-lt

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'else' with a condition.

Mixing string and numeric operators.

Use -gt for 'greater than', -ge for 'greater or equal', and else for the fallback case.