Changes:
- Added error message if web page get fails
- Use strftime instead of backtics and Windows date symbols
- Test to see if all 3 values were found before logging
- Using Tie::File for easy read-write access to file
- Replace latest line with new data if Level has not changed
- Added error message if regex could not find all 3 values
- Replace 2 s/// with 1 tr///
- Add math and reporting of anticipated level up
use strict;
use warnings;
use LWP::Simple;
use URI::URL;
use POSIX qw/strftime/;
use Tie::File;
use DateTime;
my $date= strftime "%Y%m%d", localtime; # YYYYMMDD
my ($url, $content, $experience, $level, $posts);
$url = url('http://perlmonks.org/?node_id=844862');
$content = get($url) or die "Get failure";
$content =~ tr/\cJ\cM//d;
($experience, $level, $posts) =
($content =~ /Experience:\D+(\d+).+
Level:.+([A-Z][a-z]+\s+\(\d+\)).+
Writeups:.+>(\d+)</x);
die unless ($experience && $level && $posts);
my ($start, $startdt, $startexp, $today);
tie my @log, 'Tie::File', 'perl_xp.csv';
($start, $startexp) = (split ',', $log[-2])[0,1];
if ($level eq (split ',',$log[-1])[3] || '') {
pop @log;
}
push @log, join ',',$date,$experience,$posts,$level;
untie @log;
my ($year,$month,$day) = $start =~ m/(\d{4})(\d\d)(\d\d)/;
$startdt = DateTime->new(year => $year, month=> $month, day => $day);
($year,$month,$day) = $date =~ m/(\d{4})(\d\d)(\d\d)/;
$today = DateTime->new(year => $year, month=> $month, day => $day);
my $timeflies = $startdt->delta_days($today)->{days};
my $exprate = ($experience-$startexp)/$timeflies;
printf "%d days, %d posts, %d points, %.2f points per day\n",$timeflie
+s,$posts,$experience,$exprate;
my $nextlevel = 3000;
my $leveldays = ($nextlevel - $experience)/$exprate;
my $leveldate = $today->add(days => $leveldays);
printf "Level up in %d days, on %s\n", $leveldays, $leveldate->mdy();
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