larry-cdn77

if [[ $# != 5 ]] ; then
  print \
"usage: caffeinate zsh $0 TABLE START STOP FROM TO
         TABLE       statistics_1minute (without database)
         START/STOP  '2022-08-18 17:40:00' '2022-08-18 17:45:00'
         FROM/TO     1.src.clickhouse.local 2.dst.clickhouse.local
         repeat as appopriate
         (destination node count must match source shard count)"
  exit 2
fi