get and export as variables all needed info for distro update repo string, call from .bashrc

get-distroIdCodenameVersion.sh

#!/usr/bin/env bash 
# get and export as variables distroname, codename, releasenum and arch all needed info for distro update repo string, call from .bashrc 
export distro=`lsb_release -i  2>/dev/null|awk '{print $3}'`
export codename=`lsb_release -c  2>/dev/null|awk '{print $2}'` 
export version=`lsb_release -r  2>/dev/null|awk '{print $2}'`
export arch=`dpkg --print-architecture`