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2) Use wc and grep to count the number of mountains located at Rabun County. Hint: please use pipe L.

2) Use wc and grep to count the number of mountains located at Rabun County. Hint: please use pipe L.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Sample Output Brasstown Bald ,(summit),4784,feet,Union County Hightower Bald, (summit),4568, feet, Towns County Wolfpen Ridge, (ridge high point),4561, feet, Towns and Union Counties Blood Mountain, (summit),4458, feet, Union County Tray Mountain, (summit), 4430, feet, Towns County Slaughter Mountain, (summit),4338, feet,Union County Coosa Bald, (summit),4280, feet, Union County 2) Úse wc and grep to count the number of mountains located at Rabun www County. Hint: please use pipe L. Sample Output 3) Finish task 2) by using only grep. Hint: open the manual page of grep, and check -c option. 4) A. Type command sed 's/ridge high point/r.h.p./p' mountainList.txt and execute it. Then attach a screenshot of the output. B. Type command sed -n 's/ridge high point/r.h.p./p' mountainList.txt and execute it. Then attach a screenshot of the output. C. Open the manual page of sed and describe what does -n do in sed? D. Describe what does the sed command in (B) do? 5) Use sed to remove the leading spaces in "mountainList.txt" and print out the processed lines. 6) Finish task 5) and save the output to file "newList.txt".
Transcribed Image Text:Sample Output Brasstown Bald ,(summit),4784,feet,Union County Hightower Bald, (summit),4568, feet, Towns County Wolfpen Ridge, (ridge high point),4561, feet, Towns and Union Counties Blood Mountain, (summit),4458, feet, Union County Tray Mountain, (summit), 4430, feet, Towns County Slaughter Mountain, (summit),4338, feet,Union County Coosa Bald, (summit),4280, feet, Union County 2) Úse wc and grep to count the number of mountains located at Rabun www County. Hint: please use pipe L. Sample Output 3) Finish task 2) by using only grep. Hint: open the manual page of grep, and check -c option. 4) A. Type command sed 's/ridge high point/r.h.p./p' mountainList.txt and execute it. Then attach a screenshot of the output. B. Type command sed -n 's/ridge high point/r.h.p./p' mountainList.txt and execute it. Then attach a screenshot of the output. C. Open the manual page of sed and describe what does -n do in sed? D. Describe what does the sed command in (B) do? 5) Use sed to remove the leading spaces in "mountainList.txt" and print out the processed lines. 6) Finish task 5) and save the output to file "newList.txt".
The following table is from Wikipedia. It shows the eleven highest mountains in Georgia. Brasstown Bald, (summit),4784,feet,Union County Rabun Bald, (summit),4696,feet,Rabun County Dick's Knob, (summit),4620,feet,Rabun County Hightower Bald, (summit),4568,feet, Towns County Wolfpen Ridge, (ridge high point),4561,feet,Towns and Union Counties Blood Mountain, (summit),4458,feet, Union County Tray Mountain, (summit), 4430,feet,Towns County Grassy Ridge, (ridge high point),4420.feet, Rabun County Slaughter Mountain, (summit),4338,feet, Union County Double Spring Knob, (summit),4280,feet, Rabun County Coosa Bald, (summit),4280,feet, Union County In above table, each line contains 5 fields separated by comma and please download the file " mountainList.txt" by the following command (internet access required): cp /home/fzhao6/public/mountainList.txt mountainList.txt Be sure it succeeds using "Is" to see the file name “mountainList.txt" listed. 1) Use grep to print all lines where the mountains are at Towns or Union County.
Transcribed Image Text:The following table is from Wikipedia. It shows the eleven highest mountains in Georgia. Brasstown Bald, (summit),4784,feet,Union County Rabun Bald, (summit),4696,feet,Rabun County Dick's Knob, (summit),4620,feet,Rabun County Hightower Bald, (summit),4568,feet, Towns County Wolfpen Ridge, (ridge high point),4561,feet,Towns and Union Counties Blood Mountain, (summit),4458,feet, Union County Tray Mountain, (summit), 4430,feet,Towns County Grassy Ridge, (ridge high point),4420.feet, Rabun County Slaughter Mountain, (summit),4338,feet, Union County Double Spring Knob, (summit),4280,feet, Rabun County Coosa Bald, (summit),4280,feet, Union County In above table, each line contains 5 fields separated by comma and please download the file " mountainList.txt" by the following command (internet access required): cp /home/fzhao6/public/mountainList.txt mountainList.txt Be sure it succeeds using "Is" to see the file name “mountainList.txt" listed. 1) Use grep to print all lines where the mountains are at Towns or Union County.
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