Write a linux shell program to prepare electricity bill

Prepare electricity bill

Code:

clear echo ----------------------------------------- echo '\tCalculate Electricity Charge' echo ----------------------------------------- echo Enter the Name read name echo Enter the Meter number read mno echo Enter the current month rea ding read cmr echo Enter the last month reading read lmr unit=$(expr $cmr - $lmr) if [ $unit -eq 0 ] then charge=40 elif [ $unit -gt 0 ] && [ $unit -le 100 ] then charge=$(expr $unit \* 1) elif [ $unit -gt 100 ] && [ $unit -le 300 ] then charge=$(expr 100 \* 1 + $unit - 100) elif [ $unit -gt 300 ] && [ $unit -le 500 ] then charge=$(expr $unit \* 1 + 200 \* 2 + $unit - 300) elif [ $unit -gt 500 ] then charge=$(expr 1400 + $unit - 400) fi echo ----------------------------------------- echo '\tElectricity Billing' echo ----------------------------------------- echo "Name : $name" echo "Meter Number : $mno" echo "Current Month reading : $cmr" echo "Last Month reading : $lmr" echo "Unit : $unit" echo "Charge : $charge" echo -----------------------------------------

Output:

----------------------------------------- Calculate Electricity Charge ----------------------------------------- Enter the Name SATHEESH Enter the Meter number E1234 Enter the current month rea ding 456 Enter the last month reading 123 ----------------------------------------- Electricity Billing ----------------------------------------- Name : SATHEESH Meter Number : E1234 Current Month reading : 456 Last Month reading : 123 Unit : 333 Charge : 766 -----------------------------------------