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flex

Flex is a fast lexical analyser generator. It is a tool for generating programs that perform pattern-matching on text. See documentation

Maintainers

Type of Package

Binary package

Use as Dependency

Binary packages can be set as runtime or build time dependencies. See Defining your dependencies for more information.

To add core/flex as a dependency, you can add one of the following to your plan file.

Buildtime Dependency

pkg_build_deps=(core/flex)

Runtime dependency

pkg_deps=(core/flex)

Use as Tool

Installation

To install this plan, you should run the following commands to first install, and then link the binaries this plan creates.

hab pkg install core/flex --binlink

will add the following binaries to the PATH:

For example:

$ hab pkg install core/flex --binlink
» Installing core/flex
☁ Determining latest version of core/flex in the 'stable' channel
→ Using core/flex/2.6.4/20200305232255
★ Install of core/flex/2.6.4/20200305232255 complete with 0 new packages installed.
» Binlinking lex from core/flex/2.6.4/20200305232255 into /bin
★ Binlinked lex from core/flex/2.6.4/20200305232255 to /bin/lex
» Binlinking flex from core/flex/2.6.4/20200305232255 into /bin
★ Binlinked flex from core/flex/2.6.4/20200305232255 to /bin/flex
» Binlinking flex++ from core/flex/2.6.4/20200305232255 into /bin
★ Binlinked flex++ from core/flex/2.6.4/20200305232255 to /bin/flex++

Using an example binary

You can now use the binary as normal. For example:

/bin/flex --help or flex --help

$ flex --help
Usage: flex [OPTIONS] [FILE]...
Generates programs that perform pattern-matching on text.

Table Compression:
  -Ca, --align      trade off larger tables for better memory alignment
  -Ce, --ecs        construct equivalence classes
  -Cf               do not compress tables; use -f representation
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