7draw.sh

#!/bin/bash

# Reads the player position via telnet and writes it to tracks.csv. Can be
# sourced or executed.
# The tracks.csv file can be display in the map viewer https://github.com/nicolas-f/7DTD-leaflet/

. /usr/local/lib/7dtd/common.sh

# @@ this should be a per instance config, not per server
SDTD_TRACKS_PATH=/path/to/tracks.csv

writeTracks() {
  if [ $(isValidInstance $1) -eq 0 ]; then
    echo "No instance given or not a valid instance!"
    return
  fi
  if [ ! -w $2 ]; then
    echo "Tracks.csv output file does not exist or is not writeable"
    return
  fi

  # player name and position from telnet lp
  regex="(, )([^,]+), pos=\(([0-9\.]*), ([0-9\.]*), ([0-9\.]*)\)"

  if [ $(isRunning $1) -eq 1 ]; then
    lines=$(telnetCommand $1 lp)
    while read -r line; do
      [[ $line =~ $regex ]]
      if [[ ${BASH_REMATCH[0]} ]]; then
        csvLine="${BASH_REMATCH[2]},${BASH_REMATCH[5]},${BASH_REMATCH[3]}"
        echo "$csvLine" >> $2
      fi
    done <<< "$lines"
  else
    echo "Instance $1 not running"
    return
  fi
}

if [[ $_ != $0 ]]; then
  instance=${1}
  tracksFile=${2:-$SDTD_TRACKS_PATH}
  writeTracks $instance $tracksFile
  exit 1
fi

Is there any help? it looks like the script needs two args, the 7dtd server manager instance, but I am not sure what the $tracksFile is for...