At one customer I started using rotaing log files and was quickly dismayed to find that you append the 001, 002 as an extension!
YYYY-MM-DD_FW_Chicago.txt
YYYY-MM-DD_FW_Chicago.txt.001
YYYY-MM-DD_FW_Chicago.txt.002
Surely you guys must have realized that is incredibly poor form in any file environment. And for sorting capability they really should all increment by time...
YYYY-MM-DD_FW_Chicago.001.txt
YYYY-MM-DD_FW_Chicago.002.txt
YYYY-MM-DD_FW_Chicago.003.txt
Right now the correct chronooligcal order is reversed
YYYY-MM-DD_FW_Chicago.txt.002
YYYY-MM-DD_FW_Chicago.txt.001
YYYY-MM-DD_FW_Chicago.txt