awk+sed, perl, and python are at least somewhat universal - ocaml and haskell are not. Heck, awk+sed even more so, any unix system almost no matter how old, or

awk+sed, perl, and python are at least somewhat universal - ocaml and haskell are not. Heck, awk+sed even more so, any unix system almost no matter how old, or odd has some version of those two tools on them.