ToME: the Tales of Maj'Eyal

This is probably an old subject but a search didn't find an answer so here's the dumb question:

How do you set a write directory for the launcher on linux 64 bit version?

its given via '-i' switch i.e -i/etc/user/tome

but please note im not linux user and i didnt ever tried it, so you mignt need to experiment a bit with it or it might event not work correctly in any case please tell if it worked or not : )

launcher option -i<whatever> sets path to the game core, not a download path

actually the problem is as follows:
path to the game had capital letters, e.g. "~/Games/tome/"
somehow launcher tried to access "~/games/tome", but as linux paths are case-sensitive, nothing can be found, and launcher is kinda confused.

I solved the problem making a symlink ~/games => ~/Games