usage.txt

  
    pino-clf [-d] [-k] [-a] type

    type                common | combined (default)

    -d | --dest |       stderr | stdout (default) or Number or Array of Numbers
    --destination       Specify file descriptor(s) to send log(s) to [access, referral, agent]
    
    -a | --ancillary    stderr | stdout or Number. Specify JSON logs fd
    
    -k | --keep         true | false (default) Retain transformed logs in ancillary output