[KSV]

i have written a little app in c (just 3 lines of code) which will output the current time in fixed format making it easy to parse.

for /f "tokens=1-7 delims=: " %a in ('timestamp.exe') do set FileName="MyShow_%g-%b-%c_%d-%e-%f.flv"

set FileName="MyShow_2011-Dec-19_13-29-40.flv"

http://www.mediafire.com/file/89a7ymiu3s3bsid/timestamp.exe