Q1. A script that can be used as a calculator with four major operations, i.e. “+-/*”. The script reads two integers and one operator from command-line argument and prints out the result. For instance: ./calculator.sh 32 – 20 Answer: 12

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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Q1. A script that can be used as a calculator with four major operations, i.e. “+-/*”. The script reads two integers and one operator from command-line argument and prints out the result. For instance:

./calculator.sh  32 – 20

Answer: 12

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