On 2018 Aug 05 17:36:00, you wrote to me:

 TL>>> 3.  A bit later, the DNS updating is done, taking the previously
 TL>>> generated nodelist and converting it into a DNS zone file.  The DNS
 TL>>> is then recycled, to load the new zone file.

 ml>> with a new serial number, right? 

 TL> Yep, the Perl script that generates the zone file also updates the
 TL> serial number.  Serial numbers and datestamps are easy peasy under
 TL> Linux.  Being able to directly capture STDOUT into a variable is
 TL> extremely powerful. 

very!

eg:
  printf "$(wc -l $1.txt | cut -d" " -f1) lines in $1.txt\n"
  sort -n $1.txt | uniq > $1.sorted.uniq.txt
  printf "$(wc -l $1.sorted.uniq.txt | cut -d" " -f1) lines in
$1.sorted.uniq.txt\n"


)\/(ark

Always Mount a Scratch Monkey
Do you manage your own servers? If you are not running an IDS/IPS yer doin' it
wrong...
... In the maw of the petrochemical/terrorist/Bush/military Matrix.
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 * Origin:  (1:3634/12.73)