It also explains how to use them in Perl, sed, awk and C/C++. Chapter 4 introduces the program that, in a sense, started the whole Open Source movement: Emacs. Finally, to conclude Part I, the fifth ...

Brian Kernighan said hello, asked how their friend's US visit was going, and dropped off hundreds of lines of code that could add Unicode support for AWK ... 1978 book The C Programming Language ...