This can be done by overriding ecf jobout variable.
task t cron 00:00 11:59 00:10 edit ECF_JOBOUT %ECF_HOME%%ECF_NAME%/%ECF_DATE%/%ECF_TIME%.%ECF_TRYNO% |
task t cron 00:00 11:59 00:10 edit ECF_JOBOUT %ECF_OUT%%ECF_NAME%/%ECF_DATE%/%ECF_TIME%.%ECF_TRYNO% |