#!/bin/sh
kernels=$(wget -O - www.kernel.org 2> /dev/null |\
    grep -A 2 -E '(mainline|stable|longterm|linux-next):' |\
    sed -re 's/<\/?\w+>//g' | tr '\n' ' ' | sed 's/--/\n/g' ) 

echo -e "tree version release-date\n$kernels" | column -t
