Re^2: auto increment

You don't need to store all the lines to count them. You can just count them when reading them:

my $count = 0;
$count++ while <FILE>;
[download]

In fact, Perl already does that.

1 while <FILE>;
my $count = $.;
[download]

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Re^3: auto increment by edimusrex (Monk) on May 05, 2015 at 15:35 UTC
Ah, that's a nice tip. Thanks	[reply]