Bunzip2's getline works just like <>; you can set $/ = "\n\n" to read in paragraph mode. It doesn't seem to be all that well optimized, though. You might try this: 
open my $BZ, "bzcat $file |";
while (<$BZ>) { ... }

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In reply to Re^3: Searching large files a block at a time by Anonymous Monk
in thread Searching large files a block at a time by JediWombat

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