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- if [ -d /var/backups/mysql_dumps ]; then
- # esto se ejecuta si la condicion es verdadera
- echo "realizando backup"
- mysqldump usuarios_sistema > /var/backups/mysql_dumps/$(date +%s)-usuarios_sistema.mysql
- # buscar y eleminar ficheros de mas de 7 diaas de antiguedad
- find /var/backups/mysql_dumps -type f -mtime +7 -exec rm {} \;
- ls -1 /var/backups/mysql_dumps/
- else
- # esto se ejecuta si la condicion es falsa
- echo "Primero debe crear el directorio '/var/backups/mysql_dumps/'." >&2
- exit 1
- fi
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