perlquestion perl-diddler I have a module I created .. and realized I wanted to change something in the interface. So... I've been 'versioning' each module change, and would bump the version in the new module.. BUT, how could my module detect -- when a user says: "use module 1.0.0", and I'm working in module "2.0.0"? My 2.0.0 module would never get called as far as I can tell...no? <p> What I would want to do is have my 2.0.0 module detect if it was called by something prior to 2.0, and apply the old interface semantics for compatibility. <p> The only way I can think of is to NOT version my code, but expect that any "using modules" will use "some version" (which? .. How would they know if I don't put a version in my code?) but then if I was called as a versionless module, I think I might receive the version number as a parameter, and could then implement the behavior I want -- but it seems that to do that I have to NOT use a version number -- which would sorta make it hard for any new code to know what version to specify to get behavior "X"... <p> Is it possible to do this? Or prohibitively difficult? <p> Thanks for ideas, suggestions, clue-sticks!... <p> Linda