This works for me: 

time perl -e '$_=[];@$_=<>; my $count=@$_;print $count, " lines\n";' <
+ somefile.txt

time perl -e '{$/=undef, $_=<>} my $count=split /\n/,$_; print $count,
+ " lines\n";' < somefile.txt

[download]

Your second version does not when splitting on \000.

In reply to Re: Why doesn't this work? by hdb
in thread Why doesn't this work? by perl-diddler

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