... and the evolution can continue along the same lines as Unix. I think I'll write a Haskell function that takes two strings and returns a string. The first st

... and the evolution can continue along the same lines as Unix. I think I'll write a Haskell function that takes two strings and returns a string. The first string is a program in a new language I'll invent. The second is the input to the program, and the return value is the output of the program. Maybe I could call it "herl". herl :: String -> String -> String