I have for some time been using Transmission for downloading torrent files. I really like the application for a number of reasons; it’s simple and functional, it’s free, it’s open source and it works really well.
I have however discovered a little issue, or more a behaviour that can be counter productive on occassion. I have been using Transmission installed on a drive which contains the application and all my torrents and torrent files. This has worked fine for ages, but for some reason a while ago I opened Transmission up to find all my torrent files were still there, but had 0% downloaded (despite when I quit it last some of them were nearly complete). I couldn’t understand this, and the files themselves were the correct size, and not 0%. Very confusing. I started off the torrents again and no problem, but I did have to start again.
Then the other week, I couldn’t find Transmission. No idea what happened, possibly I deleted it when deleting torrent files. This made me think of what happened before, and I had no intention of starting some of the files I had downloading again, so I resolved to find out how I could re-install transmission but keep the torrent files in the same place and have them continue from where they left off.
Luckily enough it turns out that if you copy /User/??/Library/Application Support/Transmission and save it somewhere safe then re-install Transmission (I used to have mine in another folder and this time I installed it to Applications - everything was fine), open the application, quit it then replace the folder at /User/??/Library/Application Support/Transmission with the old one. Then re-open Transmission and everything should be back to normal.
Luuuuurvly.