Quick script to count nodes in Luke's seeder data

count-nodes.sh

#!/bin/bash -eu

DATA=node-count.data

while git checkout HEAD~30
do
  date=$( git log -1 --date=unix | grep ^Date | awk '{ print $2 }' )
  echo -n "$date " >> $DATA

  ## $8 is the 30d uptime; 5..100 shows nodes with uptime >= 5%
  awk '{print $8}' seeds.txt |  numgrep 5..100 | wc -l >> $DATA

  ## Show progress
  git log -1 | grep ^Date
done