I think this is true. Perl was one of the first hugely successful dynamic languages, though I will politely defer to Shell and TCL folks for a rigorous discuss

I think this is true. Perl was one of the first hugely successful dynamic languages, though I will politely defer to Shell and TCL folks for a rigorous discussion of that claim. (: Perl has been really serious about testing since early on, and, to my understanding, remains one of the most test-centric major languages out there.