It's nearly 35 years now that I have been in the software production and integration business! As an IT consultant, I have witnessed the inner workings of many types of businesses that claim to have a working software development and integration division. I am still regularly surprised how some of the most venerable banks (actually, they are all scum) and public organizations accountable to tax-payers hap-hazardly fail to functional software in this day and age, when we already have so much cumulative experience to learn from.
Practical Extraction and Report Language, initially designed for processing text, but now used for nearly everything. It is the language that glues the Internet together. Above all, it is a joy to use.