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flex

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

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