why isn't this working (perl Question)

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ThreadAuthorDate (-000)
M-\Sean Roe2001-04-22 22:00
M\|Kimbro Staken2001-04-22 23:08
|M|Nick Estes2001-04-23 00:11
|.MNick Estes2001-04-23 00:15
M\David A. Sinck2001-04-23 00:39
|MKimbro Staken2001-04-23 01:23
|MDavid A. Sinck2001-04-23 01:56
MEden Li2001-04-23 04:38
MDavid A. Sinck2001-04-23 14:15
MEden Li2001-04-23 16:56
MDavid A. Sinck2001-04-23 19:01