script to get ntp servers from ntp.org

get_ntp_servers.sh

#!/usr/bin/zsh


link_base=http://support.ntp.org
relative_links=`curl http://support.ntp.org/bin/view/Servers/StratumOneTimeServers 2>/dev/null | grep Col1 | grep Servers | awk '{print $6}' | cut -d \" -f 2 | grep -v '<a' | grep -v nofollow`
for url_end in `echo "$relative_links" `
do
  #echo "$link_base$url_end"
  curl $link_base$url_end 2>/dev/null | grep -A1 Address | grep -v Address | tr '\n' ' ' | read v4 v6; #echo 4: $v4; echo 6: $v6
  curl $link_base$url_end 2>/dev/null | grep -A1 CountryCode | grep -v CountryCode | tr '\n' ' ' | read countrycode ; #echo Country: $countrycode
  curl $link_base$url_end 2>/dev/null | grep -A1 Hostname | grep -v Hostname | tr '\n' ' ' | read hname ; #echo Country: $hname
#  echo $hname $countrycode $v4 $v6
  if `echo $v6 | grep p >/dev/null` ;then
    v6=None
  fi    
  printf "%40s%4s%20s%40s\n" "$hname" "$countrycode" "$v4" "$v6"

done

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