tldr/pages/common/flex.md

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# flex
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> Lexical analyzer generator. Based on `lex`.
> Given the specification for a lexical analyzer, generates C code implementing it.
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> More information: <https://manned.org/flex>.
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- Generate an analyzer from a flex file:
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`flex {{analyzer.l}}`
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- Specify the output file:
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`flex --outfile {{analyzer.c}} {{analyzer.l}}`
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- Compile a C file generated by flex:
`cc {{path/to/lex.yy.c}} --output {{executable}}`