If you view the Unix shell as a language unto itself, awk and sed are both higher-level functions in that language, married via the use of pipelines (concatenat

If you view the Unix shell as a language unto itself, awk and sed are both higher-level functions in that language, married via the use of pipelines (concatenative programming without a stack). http://en.wikipedia.org/wiki/Concatenative_programming_language http://en.wikipedia.org/wiki/Concatenative_programming_langu...