if [ 0 -eq $# ] ;thenecho "usage: mysql_data_import.sh [dump-file]"exit 1;elseecho "data import start"fimysqldump -u root --all-databases > db_all_`date +%Y-%m-%d_%H_%M`.dumpecho "exec data import?(y/N)"read checkif [ 'y' = $check ] ;thenmysql -u root < $1elseecho "no imoprt"fiecho "data import end"