[Pdx-pm] read and concatenate two lines at a time

[Randal L. Schwartz]

>>>>> "Ken" == Ken Brush <ken at cgi101.com> writes:

Ken> FYI,  You can even reduce it by one more operation by doing:

Ken> while( my $entry = <> . <>)  {
Ken> 	$entry =~ s/\n//g;
Ken> ...

Not safely.  If the first operation returns undef, to indicate the end
of the @ARGV list, the second operation will read a line from STDIN!

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