An SQL parser, generated from Bison (Yacc) and Flex (Lex). Original version - most of the work - comes from John Levine's Flex & Bison book published by O'Reilley. Example usage: $ echo "SELECT a.name,b.address FROM people ORDER BY name;" | ./sql Standard GNU autotools building instructions: $ ./autogen.sh $ ./configure $ make && make check $ sudo make install