I just released Version 1.1.0 of the datascroller package for Python, the first version that automatically fits the portion of the data set to the terminal window. See it in action here [on YouTube](
https://www.youtube.com/watch?v=mewJAcurJPg). Even if you're not a Python user, you can still benefit from the `scroll` binary to quickly skim CSV files while in the terminal. Hope you like it.