tldr/pages/common/flex.md

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}}