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Example Source Code in Perl

Summary of the Lecture

About

Lex is a tokeniser - a program that takes a character stream and outputs a stream of tokens. Yacc “parses” this stream of tokens and converts it into a meaningful grammar. Lex and Yacc are useful for the construction of interpreters, compilers and other processors of semi-natural languages.

This presentation will introduce both of these tools using their Perl implementations.