The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
#!/usr/bin/perl -wT

# Number of lines to output + 0.5 to output newline at end.
my $lines = shift || 0;
my @out = ( 1 .. int($lines) );
print join("\n", @out);
print "\n" if $lines > int($lines);