sh script for update or install postman latest version

updateOrInstallPostMan.sh

#!/bin/bash

ICON_PATH=~/.local/share/applications/postman.desktop
LN_PATH=/usr/bin/postman

cd ~/Downloads

wget https://dl.pstmn.io/download/latest/linux64 -O postman.tar.gz

tar -xzf postman.tar.gz -C /opt

rm postman.tar.gz

if [[ ! -e $LN_PATH ]]; then
	ln -s /opt/Postman/Postman $LN_PATH
fi

if [[ ! -e $ICON_PATH ]]; then

cat > $ICON_PATH <<EOL
[Desktop Entry]
Encoding=UTF-8
Name=Postman
Exec=postman
Icon=/opt/Postman/app/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;
EOL

chmod 755 $ICON_PATH
fi