Question

Question: Finish task 11) using sed with back-reference.

11) Use sed to list only the company number and company name on each line by checking "newList.txt".

E.g. line 1 in the output is "1.The Home Depot"

E.g. line 12 in the output is "12.Mohawk Industries, Inc"

1.The Home Depot (Ranked 28): home improvement; Atlanta, GA.

2.United Parcel Service (Ranked 48): shipping; Atlanta, GA.

3.The Coca-Cola Company (Ranked 62): soft drinks; Atlanta, GA.

4.Delta Air Lines, Inc. (Ranked 68): airline; Atlanta, GA.

5.Aflac, Incorporated (Ranked 135): insurance; Columbus, GA.

6.The Southern Company (Ranked 162): energy; Atlanta, GA.

7.Genuine Parts Company (Ranked 183): replacement parts; Atlanta, GA.

8.First Data Corporation (Ranked 249): payment processing; Atlanta, GA.

9.WestRock (Ranked 251): corrugated and consumer packaging; Norcross,

GA.

10.HD Supply Holdings, Inc. (Ranked 320): industrial distributors; Atlanta,

GA.

11.Suntrust Banks, Inc. (Ranked 329): banking; Atlanta, GA.

12.Mohawk Industries, Inc. (Ranked 338): flooring manufacturer; Calhoun,

GA.

Answer 1

The solution to the above question is given below with screenshot of output.

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I kept the logic simple and i have tested all outputs.

I Have added comments in program so that it can be easily

understood.

If there is anything else do let me know in comments.

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file used :

newList.txt

1.The Home Depot (Ranked 28): home improvement; Atlanta, GA.     

2.United Parcel Service (Ranked 48): shipping; Atlanta, GA.                                                                               

3.The Coca-Cola Company (Ranked 62): soft drinks; Atlanta, GA.                                                                            

4.Delta Air Lines, Inc. (Ranked 68): airline; Atlanta, GA.                                                                                

5.Aflac, Incorporated (Ranked 135): insurance; Columbus, GA.                                                                              

6.The Southern Company (Ranked 162): energy; Atlanta, GA.                                                                                 

7.Genuine Parts Company (Ranked 183): replacement parts; Atlanta, GA.                                                                     

8.First Data Corporation (Ranked 249): payment processing; Atlanta, GA.                                                                   

9.WestRock (Ranked 251): corrugated and consumer packaging; Norcross, GA.                                                                 

10.HD Supply Holdings, Inc. (Ranked 320): industrial distributors; Atlanta, GA.                                                           

11.Suntrust Banks, Inc. (Ranked 329): banking; Atlanta, GA.                                                                               

12.Mohawk Industries, Inc. (Ranked 338): flooring manufacturer; Calhoun, GA.

============ CODE TO COPY ===========================

COMMAND :

cat newList.txt | sed -E 's/([0-9])\.([^(]*)(.*)/\1.\2/'

or

sed -E 's/([0-9])\.([^(]*)(.*)/\1.\2/' newList.txt

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Output :