/Shell/Bash/Swapping of two numbers without using third variable in shell script

Swapping of two numbers without using third variable in shell script

#!/bin/bash
echo "enter first number"
read a
echo "enter second number"
read b
echo "a before swapping is $a and b is $b"
#swapping
a=$((a+b))
b=$((a - b))
a=$((a-b))
echo "a after swapping is  $a and b is $b"

Source: technicalworldforyou.blogspot.com

Similar codes

0 vote384 views2 answers
Apt update Release is not signed
Shell/Bash
1 vote351 views1 answer
Ubuntu ufw list rules
Shell/Bash
1 vote354 views1 answer
Linux batch resize jpg
Shell/Bash
20 votes386 views6 answers
How to push repository to github
Shell/Bash
1 vote358 views1 answer
How to check ssd health linux manjaro
Shell/Bash
1 vote385 views2 answers
Create empty branch git
Shell/Bash
0 vote369 views1 answer
Vadersentiment pip install
Shell/Bash
0 vote356 views1 answer
Vitejs tailwind
Shell/Bash
2 votes377 views3 answers
Hoe to install LAMP on ubuntu
Shell/Bash
0 vote361 views2 answers
Command to know wifi ubuntu running 64 or 32 bits
Shell/Bash