Unresolved Dependencies list for a package

[blackcoatman]

Hello
I'm looking for a way to check offline ALL the unresolved dependencies of a .deb package (for instance, Blender: i have libc6, but i don't have libopenal, so i only want to know that i need libopenal and its own unresolved dependencies, if any), so that I can manually download only the ones I need. I have read a solution somewhere which involves generating a script from synaptic, but this won't do it for me, since I can't even update my apt package list from the repositories (so I'm stuck with just my installed packages and work just with sources or seperate .deb packages).

I'm desperate for this, please, I really wish someone knows!

[cdtech]

apt-cache depends pkg-name

This may help......

[blackcoatman]

Does this work somehow with external .deb files or does the package have to be in the apt list already? I mean, how can I have an external .deb package in my apt cache if I can't install it in the first place :P