transmission-edit
Modify announce URLs from torrent files. tldr-pages
On several platforms
Several platforms
Add a URL to a torrent's announce list
transmission-edit --add http://example.com path/to/file.torrentIdentifyRemove a URL from a torrent's announce list
transmission-edit --delete http://example.com path/to/file.torrentIdentifyUpdate a tracker's passcode in a torrent file
transmission-edit --replace old_passcode new_passcode path/to/file.torrentIdentify