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Document: flex
Title: flex
Author: various
Abstract: Fast LEXical analyzer generator
Flex is a tool for generating programs that perform pattern-matching on
text. It generates "scanners": programs which recognized lexical
patterns in text. `flex' reads the given input files, or its
standard input if no file names are given, for a description of a
scanner to generate. The description is in the form of pairs of
regular expressions and C code, called "rules". `flex' generates as
output a C source file, `lex.yy.c', which defines a routine
`yylex()'. This file is compiled and linked with the `-lfl' library
to produce an executable. When the executable is run, it analyzes
its input for occurrences of the regular expressions. Whenever it
finds one, it executes the corresponding C code.
Section: Programming
Format: info
Index: /usr/share/info/flex.info.gz
Files: /usr/share/info/flex.info-1.gz /usr/share/info/flex.info-2.gz
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