Tailf lastest PostgreSQL Log

tailf_least_postgresql_log.sh

path=`ps ax | grep -i 'postmaster' | grep -o '\-D\(/Library/Post.*\)' | awk -F D '{print $NF}'`
log_dir="${path}/pg_log"
log_name=`sudo ls -1t ${log_dir} | head -n1`
log_file="${log_dir}/${log_name}"
echo ""
echo "=========== $log_file =========="
echo ""

sudo tail -f "$log_file"