Appending to files (>>) in Bash Scripting - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to append the text 'Hello' to the file named output.txt.

Bash Scripting

echo "Hello" [1] output.txt

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

A<

B>

C>>

D|

Attempts:

3 left

💡 Hint

Common Mistakes

Using '>' which overwrites the file instead of appending.

Using '<' which is for input redirection, not output.

Using '|' which pipes output to another command.

The '>>' operator appends the output to the file without overwriting existing content.

2fill in blank

medium

Complete the code to append the output of the command 'date' to the file log.txt.

Bash Scripting

date [1] log.txt

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

A|

B>>

C<

D>

Attempts:

3 left

💡 Hint

Common Mistakes

Using '>' which overwrites the file.

Using '<' which is for input redirection.

Using '|' which sends output to another command.

Using '>>' appends the output of 'date' to log.txt without erasing existing content.

3fill in blank

hard

Fix the error in the code to append the string 'Done' to the file results.txt.

Bash Scripting

echo Done [1] results.txt

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

A>>

B<

C>

D|

Attempts:

3 left

💡 Hint

Common Mistakes

Using '>' which overwrites the file.

Using '<' which is for input redirection.

Using '|' which pipes output to another command.

The '>>' operator correctly appends the string to the file without overwriting.

4fill in blank

hard

Fill both blanks to append the output of 'ls -l' to the file directory_list.txt.

Bash Scripting

[1] [2] directory_list.txt

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

Als -l

B>

C>>

Dcat

Attempts:

3 left

💡 Hint

Common Mistakes

Using '>' which overwrites the file.

Using 'cat' instead of the listing command.

Swapping the order of command and operator.

The command 'ls -l' lists files, and '>>' appends its output to the file.

5fill in blank

hard

Fill all three blanks to append the word count of file.txt to counts.log.

Bash Scripting

[1] [2] [3] counts.log

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

Awc -w

B>>

Cfile.txt

D>

Attempts:

3 left

💡 Hint

Common Mistakes

Using '>' which overwrites the file.

Swapping the file name and operator positions.

Using wrong command instead of 'wc -w'.

The command 'wc -w file.txt' counts words, and '>>' appends the result to counts.log.