Shell script to backup mysql database and/or specific table

dbBackup.sh

#!/bin/sh

date=$(date +"%Y-%m-%d")
now=$(date --iso-8601=seconds)

dbname=''
table1=''
options="--defaults-extra-file=/path/mysql-credentials.cnf --no-tablespaces"

LOGFILE=/path/dbBackupErrors.txt
OUTPUT_DB=/path/database_${dbname}_${date}.sql
OUTPUT_TABLE1=/path/table_${table1}_${date}.sql

echo "[${now}]" >> $LOGFILE

#backup database
/usr/bin/mysqldump $options $dbname 2>> $LOGFILE 1> $OUTPUT_DB

#backup table
/usr/bin/mysqldump $options $dbname $table1 2>> $LOGFILE 1> $OUTPUT_TABLE1