t411 mass replace tracker

tracker-replace.sh

#!/usr/bin/bash

# t411 key
KEY="******"

HOST="myhost.example:9091" # Transmission daemon host
AUTH=0 # Authentification to transmission-daemon ? 1 = True
TDUSER=""
TDPASS=""

if [ ${AUTH} -eq 1 ]; then
	OPTS="${HOST} -n ${TDUSER}:${TDPASS}"
else
	OPTS="${HOST}"
fi

# Tracker to replace
OLD="t411.download"
# New tracker URL
NEW="https://tracker.t411.ai"

LISTID=$(transmission-remote ${OPTS} -l | awk '{print $1}' | grep -E '^[0-9]+' | sed -r -e 's/^([0-9]*).*$/\1/') # Get all torrents ID

for id in ${LISTID}; do
	echo "========================="
	TRACKS=$(transmission-remote ${OPTS} -t ${id} -it | grep -E 'Tracker [0-9]+') # Get all trackers
	TRTEST=$(echo "${TRACKS}" | grep ${OLD}) # Is there the tracker to replace ?
	if [ $? -eq 0 ]; then
		TRKID=$(echo "${TRACKS}" | grep ${OLD} | sed -r -e 's/Tracker ([0-9]+).*/\1/') # Get tracker ID
		transmission-remote ${OPTS} -t ${id} -tr ${TRKID}
		transmission-remote ${OPTS} -t ${id} -td "${NEW}/${KEY}/announce"
	fi
done

Thanks! But nowhere to download transmission-remote. So I use https://github.com/transmission-remote-gui/transgui instead.