Languages don't enjoy long lives. Very few people still code with the legacies of the 1970s: ML, Pascal, Scheme, Smalltalk. (The C language is still widely used but in significantly updated versions.) Bucking that trend, the 1977 Unix utility Awk can boast of a loyal band of users and seems poised to continue far into the future. In this article, I’ll explain what makes Awk special and keeps it relevant.
Source: Awk: The Power and Promise of a 40-Year-Old Language, an article by Andy Oram.