my fish activate function for torch.

torch_activate.fish

function torch_activate
        set -gx TORCH_BASE_DIR '/home/david/Programming/repos/torch/torch'
        set -gx LUA_PATH '{$TORCH_BASE_DIR}/install/share/lua/5.1/?.lua;{$TORCH_BASE_DIR}/install/share/lua/5.1/?/init.lua'
        set -gx LUA_CPATH '{$TORCH_BASE_DIR}/install/lib/lua/5.1/?.so'
        set -gx PATH {$TORCH_BASE_DIR}/install/bin $PATH
        set -gx LD_LIBRARY_PATH {$TORCH_BASE_DIR}/install/lib $LD_LIBRARY_PATH
        set -gx DYLD_LIBRARY_PATH {$TORCH_BASE_DIR}/install/lib $DYLD_LIBRARY_PATH
end