$ dir /b
shabba.pl

$ perl shabba.pl

$ dir /b
A1.2012-10-29T10-49-10Z.log
A2.2012-10-29T10-49-11Z.log
Logfile.2012-10-29T10-49-10Z.log
shabba.pl

$ cat A1.2012-10-29T10-49-10Z.log
2012/10/29 03:49:10 INFO> shabba.pl:43 main::Main - (Groceries) Important Info!
2012/10/29 03:49:10 INFO> shabba.pl:44 main::Main - (Groceries) Important Info! THEN NEWLINE
THEN IMPORTANTINFO

$ cat A2.2012-10-29T10-49-11Z.log
2012/10/29 03:49:10 INFO> shabba.pl:48 main::Main - (Junk) UnImportant Info!

$ cat Logfile.2012-10-29T10-49-10Z.log
2012/10/29 03:49:10 shabba.pl 43> (Groceries) Important Info!
2012/10/29 03:49:10 shabba.pl 44> (Groceries) Important Info! THEN NEWLINE
THEN IMPORTANTINFO
2012/10/29 03:49:10 shabba.pl 48> (Junk) UnImportant Info!
2012/10/29 03:49:10 shabba.pl 83> (Bar.Twix) Twix mjam
2012/10/29 03:49:10 shabba.pl 83> (Bar.Twix) Twix mjam
2012/10/29 03:49:10 shabba.pl 83> (Bar.Twix) YAM NEWLINE
Twix mjam
2012/10/29 03:49:10 shabba.pl 83> (Bar.Twix) YAM NEWLINE
Twix mjam
2012/10/29 03:49:10 shabba.pl 87> (Bar.Mars) Mars mjam
2012/10/29 03:49:10 shabba.pl 87> (Bar.Mars) Mars mjam
2012/10/29 03:49:10 shabba.pl 87> (Bar.Mars) YAM NEWLINE
Mars mjam
2012/10/29 03:49:10 shabba.pl 87> (Bar.Mars) YAM NEWLINE
Mars mjam