Create a data file called “students.txt” in the format given below, using VI: a.

Question

Create a data file called “students.txt” in the format given below, using VI: a. student id character b. student name character c. cumulative gpa number d. classification character e. major character Each record element is spaced with a tab, with one student record per line, as follows:

256-56-8411 Bob 3.61 junior cs

471-44-7458 Tim 3.45 senior ce

326-56-4286 Rajesh 2.97 freshman te

548-66-1124 Eric 2.88 sophomore ee

447-21-3599 John 2.51 junior cs

911-41-1256 Rebecca 3.92 senior cs

854-22-6372 Robin 2.45 freshman te

2) Write Shell Command that sorts the file by student id (any order, display to screen).

3) Write Shell Command that sorts the file by name (any order, display to screen)

4)Write Shell Command that sorts the file on decreasing order of gpa (display to screen)

5)Write Shell Command that stores in ‘file1’ the names of all students whose major is cs

6)Write Shell Command that displays the number of students whose details are included in the file.

7) Write Shell Command that displays records of all students whose id does not start with 4

8) Using the answer to questions 6,7 write a script (called student_analysis) that - Takes a file similar to one created in 1, as an argument

Explanation / Answer

256-56-8411 Bob 3.61 junior cs

471-44-7458 Tim 3.45 senior ce

326-56-4286 Rajesh 2.97 freshman te

548-66-1124 Eric 2.88 sophomore ee

447-21-3599 John 2.51 junior cs

911-41-1256 Rebecca 3.92 senior cs

854-22-6372 Robin 2.45 freshman te

zz

cat output.txt

cat output.txt

4) sort -k 3 students.txt > output.txt

sort -r output.txt > decrop.txt

6) wc -l students.txt

8) create student_analysis.sh as follow

echo "Student analysis argument"

done

Now run chmod 777 student_anlysis.sh

pass file name as arguments to command like:

scripts$ student_analysis.sh student.txt

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