emerge-progress.sh

#!/bin/bash

sudo tail -n 50 /var/log/emerge.log |\
tac |\
grep -v "Starting retry" |\
grep -iE '([0-9]* of [0-9]*)' -o -m 1 |\
sed -e 's/\(.*\) of \(.*\)/\1 \2/' |\
awk '{print 100.0*$1/$2}'