### Rotate backup log file

# location of log file (-l parameter of script file)
/path/to/backup.log {
    
    # rotate log file weekly -- you could also use 'daily', 'monthly' or
    # specify a size using 'size 100k', for example
    weekly
    
    # keep 4 weeks of old logs (4 files) and delete older ones
    rotate 4
    
    # compress old log files using gzip (default)
    compress
}