Log Unique Queries without Params?

I have a local script I've written that will scan a log of PG queries to
extract out unique queries without any specific parameter data. For
example, if these 2 queries are actually run:

SELECT * FROM foo where bar = 1;
SELECT * FROM foo where bar = 2;

It will capture only:

SELECT * FROM foo whee bar = :id;

Are there any existing tools that do this already for me? I'm considering
setting up a server that can have logs forwarded to it and only logging
unique queries like this, but I don't want to build anything that may
already exist out there.