Use sed for this question.

fileA is a text file in the current directory and contains multiple lines of text.

You want to make some changes when printing lines of fileA to screen..

a$.$ Write a sed script to do the following changes to the lines of fileA as you output them to screen:

$-$ Remove the last paragraph of text in the file. The last paragraph starts with an empty line and ends at the last line.

$-$ For all lines that start with a digit: add $3$ spaces in front and $3$ spaces at the end of the line.

$-$ Add your name to the end of fileA $($your name will be the new last line of text$)$

b$.$ Write the command line to run sed with your script and fileA

Make sure to answer both questions a and b$.$