UNIX for Dummies Questions & Answers

#!/bin/sh 

Test=dvlna002 

echo "enter the file name from File1, file2, file3" 
read filename 

a=`grep "SERVER_CONNECTION" file1 | cut -c 28-35 | tail -1`
b=`grep "SERVER_CONNECTION" file2 | cut -c 28-35 | tail -1`
c=`grep "SERVER_CONNECTION" file3 | cut -c 28-35 | tail -1`

if [ "$filename" = "file1" ]; then
	if [ "$a" = "$Test" ]; then 
   		echo "same" 
	else 
		echo "not same" 
	fi
elif [ "$filename" = "file2" ]; then 
	if [ "$b" = "$Test" ]; then 
		echo "same" 
	else 
		echo "not same" 
	fi 
elif [ "$filename" = "file3" ]; then
	if [ "$c" = "$Test" ]; then 
		echo "same" 
	else 
		echo "not same"
	fi
fi

var=$(process1 | process2 | ... | processN)

var=$(process1 $(process3) | process2  )