dist_ver=$(grep --color=never -Po "^VERSION_ID=\K.*" "/etc/os-release")
dist=$(grep --color=never -Po "^ID=\K.*" "/etc/os-release")

if [[ "${dist}" == *"ubuntu"* ]] && [[ "${dist_ver}" == *"18.04"* ]]; then
 echo "Ubuntu 18.04 Detected"
 shortdist=ubu1804
elif [[ "${dist}" == *"ubuntu"* ]] && [[ "${dist_ver}" == *"20.04"* ]]; then
 echo "Ubuntu 20.04 Detected"
 shortdist=ubu2004 
elif [[ "${dist}" == *"debian"* ]] && [[ "${dist_ver}" == *"10"* ]]; then
 echo "Debian 10 Detected"
 shortdist=deb10 
elif [[ "${dist}" == *"centos"* ]] && [[ "${dist_ver}" == *"8"* ]]; then
 echo "Centos 8 Detected"
 shortdist=cent10 
else
 echo "This OS in not supported"
fi

unset dist_ver
unset dist