or download this
use strict;
use warnings;
...
__END__
2009/01/15 01:23:45:678: ASDF: [8=FIX.4.49=22835=D49=ZYXW56=MYCO3
+4=652=20090115-01:23:45116=BLAH129=HALB50=MEH1=HEM11=abcefg1234
+5615=ZZZ21=122=538=10040=244=4.8000000048=ZVZZT.N54=255=ZVZZ
+T59=060=20090115-01:23:45100=MEH10=111]
2009/01/15 01:27:09:154: QWER: [8=FIX.4.49=22835=D49=ZYXW56=MYCO3
+4=652=20090115-01:23:45116=BLAH129=HALB50=MEH1=HEM11=abcefg1234
+5615=ZZZ21=122=538=10040=244=4.8000000054=255=ZVZZT59=060=2
+0090115-01:23:45100=MEH10=111]