Experiment 3: Date 13th August 2012

A.  Write a shell program which does the following: (Use command line arguments for input file and output file). When we enter an input file name, it finds the number of unique names from the first 10 lines of the input file. The output should be in the format given below and is  written to the same output file.

Filename <tab> No of unique persons
file1.txt  9
file2.txt  6

Note : You are given a data set containing plain text files with contents in the following format
S.No Personname Address ContactNo
1 	Rashmita hcu 	8763542398
2 	Rashmita hcu 	8763544455


B. Write a script that presents a multiple-choice question, gets the user's answer and reports back whether the answer is right, wrong or not one of the choices. Make your quiz question and the choices as interesting as you can!