You Have a Text File That Contains Empty Lines

question 19

Multiple Choice

You have a text file that contains empty lines. Using grep and regular expressions, which command displays the file without the empty lines?

• A) grep ^$ file
• B) grep [\ ] file
• C) grep -v ^$ file
• D) grep -v #$ file

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Definitions:

Recursive Functions

Functions that call themselves directly or indirectly, allowing for solutions to problems that can be broken down into simpler, identical problems.

Memory Stack

A region of memory used for storing temporary variables created by each function call, operates in a last-in, first-out (LIFO) manner.

Storing And Retrieving

The processes of saving data to a storage medium and later accessing or getting it back.

Recursive Functions

Functions that call themselves within their own definition, often used for tasks that can be broken into similar subtasks.