Question

Create a file with the following information called presidents, using vi or pico, and again press the [tab] key between fields. Once again, make sure you include the line numbers (6,7,8, etc)

6 Abe Lincoln honest

7 James Munroe doctrine

8 Harry Truman buck.stops

9 James Madison civil.war

10 Jimmy Carter peanuts

Append presidents to people using cat, call the new file peopletwo.

Enter the command used to do the append:__________________________________

Remove the line numbers and the first tab stop, then sort by last name as the primary field.

Enter the command used to do the remove:__________________________________

Enter the command used to do the sort:_____________________________________

Replace all Upper case letters of peopletwo with lower case letters.

Enter the command used to do the replace:__________________________________

Cut all of the first names out and place them in a file called first.

Enter the cut command used:_____________________________________________

Cut all of the last names out and place them in a file called last.

Enter the cut command used:_____________________________________________

A vi visual would be nice please

Answer 1

1.Appending command (assuming people is another file)

cat presidents people > peopletwo

s cat presidents.txt people.txt >peopletwo.txt

output:

$ sed 's/[A-z]/L&/g' peopletwo.txt abe james munore doctrine harry truman buck.stop james madisom civil.war jimmy carter peanuts incoln honest 10 hi this is sample file as you did not provided any information anout people

2.commad to remove

sed 's/^[0-9]*\t*//' presidents.txt

$ cat presidents.txt Abe Lincoln honest James Munore Doctrine Harry Truman buck. stop James Madisomcivil.war 10 Jimmy Carter peanuts sed s/Ao-9tpresidents.t Abe Lincoln honest ames Munore Doctrine Harry Truman buck. stop ames Madisomcivil.war immy Carter peanuts

3.sort

sed 's/^[0-9]*\t*//' presidents.txt |sort -k2

s sed 's/A[o-9]t*/ presidents.txt Isort -k2 immy Carter peanuts AbeLincoln honest James Madisom civi1.war James Munore Doctrine Harry Truman buck. stop

4.replace

sed 's/[A-Z]/\L&/g' peopletwo.txt

s sed 's/[A-ZIAL&/g' peopletwo.txt incoln honest james munore doctrine harry truman buck.stop james madisom civil.war jimmy carter peanuts abe 10 hi this is sample file as you did not provided any information anout people

5.cut first names and past in first.txt

cat presidents.txt | cut -f 2 > first.txt

cat first.txt Abe ames arry ames

6.cut last names and past in last.txt

cat presidents.txt | cut -f 3 > last.txt

s cat presidents.txt I cut -f 3> last.txt cat last.txt Lincol Munore Truman Madisonm Carter