rajeshkumar created the topic: Shell script that will add two nos
How to write shell script that will add two nos, which are supplied as command line argument, and if this two nos are not given show error and its usage


#!/bin/bash
#
# Linux Shell Scripting Tutorial 1.05r3, Summer-2002
#
# Written by Vivek G. Gite <vivek@nixcraft.com>
#
# Latest version can be found at www.nixcraft.com/
#
# Q1.Script to sum to nos
#

if [ $# -ne 2 ]
then
echo “Usage – $0 x y”
echo ” Where x and y are two nos for which I will print sum”
exit 1
fi
echo “Sum of $1 and $2 is `expr $1 + $2`”
#
# ./ch.sh: vivek-tech.com to nixcraft.com referance converted using this tool
# See the tool at www.nixcraft.com/uniqlinuxfeatures/tools/
#

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Rajesh Kumar
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Rajesh Kumar

I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I am working at Cotocus. I blog tech insights at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at I reviewed , and SEO strategies at Wizbrand. 

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