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[ Source: flex  ]

Package: flex (2.6.4-8)

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fast lexical analyzer generator

Flex is a tool for generating scanners: programs which recognized lexical patterns in text. It reads the given input files 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.

Tags: Software Development: Code Generation, Implemented in: C, User Interface: interface::commandline, role::program, Scope: Utility, Works with: Source Code

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Download flex

Download for all available architectures
Architecture Package Size Installed Size Files
alpha (unofficial port) 425.9 kB1,328.0 kB [list of files]
amd64 430.2 kB1,279.0 kB [list of files]
arm64 420.7 kB1,303.0 kB [list of files]
armel 412.4 kB1,197.0 kB [list of files]
armhf 413.7 kB1,157.0 kB [list of files]
hppa (unofficial port) 406.0 kB1,157.0 kB [list of files]
i386 423.5 kB1,236.0 kB [list of files]
m68k (unofficial port) 419.8 kB1,229.0 kB [list of files]
mips64el 417.4 kB1,310.0 kB [list of files]
mipsel 415.7 kB1,231.0 kB [list of files]
ppc64 (unofficial port) 423.6 kB1,343.0 kB [list of files]
ppc64el 426.0 kB1,343.0 kB [list of files]
riscv64 (unofficial port) 417.9 kB1,265.0 kB [list of files]
s390x 423.3 kB1,311.0 kB [list of files]
sh4 (unofficial port) 436.5 kB1,214.0 kB [list of files]
sparc64 (unofficial port) 410.5 kB1,305.0 kB [list of files]
x32 (unofficial port) 428.2 kB1,209.0 kB [list of files]