I think a sscanf columnizer would be pretty sweet. It would let me dynamically define a columnizer based on a sscanf format string for each line.

We could also consider a hybrid - include some mix of sscanf and the log4j conversion pattern to include date support.

Maybe a RegEx would be more flexible (and easy to implement ).

But note that each Columnizer has only one instance in LogExpert. That means that all files that use the same Columnizer share the same instance (and thus the same settings).

While I may have a few log files open at the same time in LogExpert, they all have the same formatting options. As such I have no problem (currently) with only one instance of the Columnizer for all log files and would second the idea for a log4j or regex version. I'm thinking about trying out the version 1.4 beta and using the word highlighting (which I think is a great idea) to mimic this ability if possible (the timestamp would be one color, the log level would be another, etc).
Thanks for a great, free, tail program.
-Dex