For example, I'm enrolled in the Coursera course Data-Driven Astronomy and it's all in Python.

Bummer. The University of Washington teaches Perl in ASTR 300 Introduction to Programming for Astronomical Applications: "Introduction to programming needed for astronomical applications: Linux operating systems, PERL, IDL. Recommended for astronomy majors planning to take 400-level astronomy courses, to pursue individual research projects, or" 

https://myplan.uw.edu/course/#/courses/ASTR300

In reply to Re^3: Curious about Perl's strengths in 2018 by Anonymous Monk
in thread Curious about Perl's strengths in 2018 by Crosis

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