One other thing if I may, when reporting an error from open is is usually best to include the filename and the reason for the failure ($!), for example: 
open(my $hlogfile,'<',$LOGFILE) or die "Could not open $LOGFILE: $!";

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In reply to Re: Use of uninitialized value in open by cdarke
in thread Use of uninitialized value in open by pcouderc

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