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tldr/pages/common/lex.md

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lex

Lexical analyser generator. Given the specification for a lexical analyser, generates C code implementing it. More information: https://manned.org/lex.1.

  • Generate an analyser from a Lex file:

lex {{analyser.l}}

  • Specify the output file:

lex {{analyser.l}} --outfile {{analyser.c}}

  • Compile a C file generated by Lex:

cc {{path/to/lex.yy.c}} --output {{executable}}