Generate a clean formatted trackers list for torrents softwares

torrent_trackers_list_generator.sh

#!/bin/bash

# Generate a clean formatted trackers list for torrents softwares
# The newtrackon.com free service is used as main resource

INPUT_FILE="torlist_input.txt"
OUTPUT_FILE="torlist_output.txt"

# Create input file
if [ ! -e "$INPUT_FILE" ]; then
  touch "$INPUT_FILE"
fi

# Download the LIVE list by newtrackon.com
curl https://newtrackon.com/api/live >> "$INPUT_FILE"

# Merge the previous checked with the new one
if [ -e "$OUTPUT_FILE" ]; then
  cat "$OUTPUT_FILE" >> "$INPUT_FILE"
fi

# Clean up input_file from duplicates
torinput="$(cat "$INPUT_FILE" | grep . | sort -u)"
echo "$torinput" > "$INPUT_FILE"

# Remove protocols and duplicates
tortemp="$(cat "$INPUT_FILE" | sed 's,https://,,g' | sed 's,http://,,g' | sed 's,udp://,,g' | sort -u)"

# Remove IPS without rDNS
torips="$(echo "$tortemp" | grep -E -o "([0-9]{1,3}[\.]){3}[0-9]{1,3}" | sort -u)"
for ip in $torips; do
  echo "Checking IP $ip"
  out="$(host "$ip")"
  if echo "$out" | grep -q "not found"; then
    echo "$ip - rDNS not found"
    tortemp="$(echo "$tortemp" | sed '/'"$ip"'/d')"
  else
    echo "$ip - rDNS found"
  fi
done

# Add multiple protocols for each tracker
tortrackers="$(echo "$tortemp" | cut -d "/" -f1 | cut -d ":" -f1 | sort -u)"
rm -rf "$OUTPUT_FILE"
for tracker in $tortrackers; do
  trackers="$(echo "$tortemp" | grep "$tracker")"
  for track in $trackers; do
    echo -e "https://$track\nhttp://$track\nudp://$track\n" >> "$OUTPUT_FILE"
  done
done