[plt-scheme] parser tools

Hi,

Is it possible to create a lexer and parser dynamically?
I would like to create an application, which, for example, reads in a file
which contains what the separator character is and after that
the program can read in another file, but considers the separator
character. Somehow I could not manage to create a variable, which
then can be used in a lexer. Any way to do this?

Thanks for any help.

Best regards,

Peter Ivanyi


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