rpm2tgz package making in Slackware

1. Download rpm-package and run

su

rpm2tgz package.rpm

An example:

rpm2tgz opera-stable_51.0.2830.40_amd64.rpm

Install the package using installpkg. An example:

installpkg opera-stable_51.0.2830.40_amd64.tgz

PS. If installed program does not work, you may need to install its dependency packages too.