Why functions organize reusable code in Bash Scripting - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a function named greet.

Bash Scripting

function [1]() {
  echo "Hello!"
}

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

Ahello

Bgreet

CsayHello

Dprint

Attempts:

3 left

💡 Hint

Common Mistakes

Using a function name that does not match the task instruction.

Leaving the function name blank.

The function name should be greet to match the task.

2fill in blank

medium

Complete the code to call the function greet.

Bash Scripting

[1]

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

Arun greet

Bcall greet

Cgreet

Dexecute greet

Attempts:

3 left

💡 Hint

Common Mistakes

Using keywords like 'call' or 'run' which are not valid in bash.

Adding parentheses when calling the function.

In bash, to call a function, just write its name.

3fill in blank

hard

Fix the error in the function definition to make it valid bash syntax.

Bash Scripting

function greet [1] 
  echo "Hello!"
}

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

A{

B<

C[

D(

Attempts:

3 left

💡 Hint

Common Mistakes

Using parentheses or brackets instead of curly braces.

Missing the opening brace.

The function body must start with a curly brace { in bash.

4fill in blank

hard

Fill both blanks to create a function that prints a passed name.

Bash Scripting

function [1]() {
  [2]="$1"
  echo "Hello, $[2]!"
}

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

Asay_hello

Bname

Cuser

Dgreet

Attempts:

3 left

💡 Hint

Common Mistakes

Using a variable name that is not passed or defined.

Using a function name that does not match the task.

The function name is say_hello and the variable holding the name is name.

5fill in blank

hard

Complete the code to call the function say_hello with the argument 'Alice'.

Bash Scripting

 say_hello  "[1]"

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

Abash

CAlice

D./

Attempts:

3 left

💡 Hint

Common Mistakes

Adding 'bash' or './' before the function name when calling inside a script.

Putting quotes around the function name.

To call a function in bash script, just write its name followed by arguments separated by spaces. No extra keywords needed.