Interactive mode
Recently, I discovered a program called ddgr. It allows making searchs from the command line with DuckDuckGo, but it's not exactly like Ducker. It doesn't launch the search in the browser, but directly in the terminal. From there you can choose which search result you want to open with the browser.
However, that program was incomplete, not up-to-date and it contained unncesary code. I've made some contributions to make it better and I've included its functionality in Ducker. That is, Ducker has now an interactive mode that allows showing results from searches in the terminal if it's launched without parameters.
Nonetheless, there are still necessary some improvements before publishing a new release.