bash command to monitor rippled ledger fetching progresss

ledger_head.sh

#/bin/bash
#
#command to monitor a rippled stared by `./rippled --fg --net` with "full ledger_history" config
#
while [ 1 ];
do ./rippled -q server_info|grep "complete_ledger"|egrep -o '[[:digit:]]*'|head -n1|xargs -I{} ./rippled -q ledger {} |grep close_time_human;
sleep 5;
done