If I have a Solaris host without a direct Internet access. access, how can I install OpenCSW packages on it. Do I have to manually copy all the `.pkg.gz` files, gunzip them by hand and run `pkgadd` on them one by one in the right order? Or is there a better way?

I have a Solaris host without a direct Internet access. Do I have to manually copy all the `.pkg.gz` files, gunzip them by hand and run `pkgadd` on them one by one in the right order? Or is there a better way?