CombatLogReader (CLR) is a parser which has been created and is constantly maintained for Star Trek Online by [email protected] who created this for free in his own time.
or use the:
DPS-League can be found in the CLR. A web version from the league table is available from our good friend Danfai here: http://sto-dps.danfai.de/
Feel free to take a look into our FAQ about the CombatLogReader and you should disable rotating log files.