unamestr=`uname` echo "Installing codns" if [[ "$unamestr" == 'Linux' ]] then echo "Linux detected" wget -nc -q https://github.com/jmcarbo/codns/raw/master/bin/codns_linux_amd64 chmod +x codns_linux_amd64 mv codns_linux_amd64 codns elif [[ \"$unamestr\" == 'Darwin' ]] then echo "Darwin detected" wget -nc -q https://github.com/jmcarbo/codns/raw/master/bin/codns_darwin_amd64 chmod +x codns_darwin_amd64 mv codns_darwin_amd64 codns fi; echo "Install completed"