_file=./te2.txt
_mysql=/usr/bin/mysql
_db_host=-h192.168.1.1
 _db_port=-P3306
 _db_user=-ujason
 _db_password=-p123
 rm $_file
 ${_mysql} ${_db_host} ${_db_port} ${_db_user} ${_db_password} -NB -e "show full processlist;"  >> ${_file}