menu channel,menubar,nicklist {
  Address Tracking
  .$iif($group(#Addtrack) == on,$style(1)) Show used nicks on join: {
    var %status = $iif($group(#Addtrack) == on,Disable,Enable)
    $+(.,%status) #Addtrack
    echo 7 -at * Users previous nicks will $iif(%status == Disable,no longer,now) be shown when they join
  }
  .-
  .$iif($1,Check nicks for $1):CheckNicks $1
  .Check nicks for an address: {
    CheckNicks $+(*!,$$?="Enter the hostmask you want to check in the format NICK!IDENT@HOST*")
  }
}

on *:start: {
  hmake Addtrack 100
  if ($isfile(Addtrack.hsh)) hload Addtrack Addtrack.hsh
}
on *:exit: if ($hget(Addtrack)) hsave -o Addtrack Addtrack.hsh

#Addtrack on
on *:join:#: {
  if ($wildsite iswm $address($me,5)) return
  var %mask = $mask($fulladdress,3)
  if ($hget(Addtrack,%mask)) {
    var %usednicks = $ifmatch
    if (%usednicks != $nick) && ($group(#Addtrack) == on) echo 10 -t $chan [Nick Tracking] $nick has also used the nicks: $remtok(%usednicks,$nick,1,44)
    if (!$istok(%usednicks,$nick,44)) hadd -m Addtrack %mask $addtok(%usednicks,$nick,44)
    if ($numtok(%usednicks,44) > 10) hadd -m Addtrack %mask $deltok(%usednicks,1,44)
  }
  else {
    hadd -m Addtrack %mask $nick
  }
}
on *:nick: {
  if ($wildsite iswm $address($me,5)) return
  var %mask = $mask($fulladdress,3)
  if ($hget(Addtrack,%mask)) {
    var %usednicks = $ifmatch
    if (!$istok(%usednicks,$newnick,44)) hadd -m Addtrack %mask $addtok(%usednicks,$newnick,44)
    if ($numtok(%usednicks,44) > 10) hadd -m Addtrack %mask $deltok(%usednicks,1,44)
  }
  else {
    hadd -m Addtrack %mask $newnick
  }
}
#addtrack end

alias CheckNicks {
  if (*!*@* iswm $1) {
    var %mask = $mask($1,3)
    if (!$hget(Addtrack,%mask)) echo 4 -ta No entry found for $1
    else echo 10 -ta Address $1 has used the nicks: $hget(Addtrack,$1)
  }
  elseif (!$hget(Addtrack,$address($1,3))) echo 4 -ta No Entry found for $1
  elseif ($hget(Addtrack,$address($1,3)) != $1) {
    var %usednicks = $ifmatch
    echo 10 -ta $1 has also used the nicks $remtok(%usednicks,$1,1,43)
  }
  else echo 10 -ta $1 has not been seen on any other nicks
}