Html({
title => 'perl version cheat sheet',
- version => '1.2',
+ version => '1.4',
keywords => [qw'
perl version feature features comparison
sheet cheat overview summary
:>
<h1>Perl release summary</h1>
-<p>The most significant features introduced for recent versions of the Perl scripting language.
-Depending on desired compatibility you'll want to support a minimum of
-<span title="on dinosaur platforms such as Solaris 10, AIX 5.2, RHEL 3, SLES 8">v5.8</span> or
-<span title="on stable servers such as Debian wheezy, Ubuntu 12.04, CentOS 7">v5.14</span>.
-</p>
-
+<p>The most significant features introduced for recent versions of the Perl
+scripting language.
<:
-my $info = do 'perl.inc.pl' or die $@ // $!;
+my $info = Data('perl');
+
+say "Depending on desired compatibility you'll want to support a minimum of";
+say join(' or ', map {
+ sprintf '<span title="on %s">v%vd</span>', $info->{$_}->{distrosum}, $_
+} v5.8, v5.20), '.';
+say '</p>';
+
for my $vernum (reverse sort keys %{$info}) {
my $verrow = $info->{$vernum};
- $verrow->{unstable} and next unless exists $get{v};
+ defined $verrow->{unstable} and next unless exists $get{v};
- print '<div class="section">'."\n";
- printf '<h2>%vd <small>%s</small></h2><dl>'."\n", $vernum, $verrow->{release};
+ say '<div class="section">';
+ say sprintf '<h2>%vd <small>%s</small></h2>', $vernum, $verrow->{release};
+ say '<dl>';
for (@{ $verrow->{new} }) {
my ($topic, $desc, $attr) = @{$_};
if ($attr) {
$attr->{experimental}, $title;
}
if ($attr->{feature}) {
- $title = sprintf('<span title="%s">feature</span>', $attr->{feature})
- . (defined $title && ", $title");
+ my $prefix = sprintf '<span title="%s">feature</span>',
+ $attr->{feature};
+ $title = join ', ', $prefix, $title // ();
}
$desc .= sprintf ' <em class="ex">(%s)</em>', $title;
}
- printf '<dt>%s<dd>%s'."\n", $topic, $desc || '<br/>';
+ say sprintf '<dt>%s<dd>%s', $topic, $desc || '<br/>';
}
- printf '<dt>Unicode</dt><dd>v%s'."\n", $_ for $verrow->{unicode} || ();
- print "</dl>\n";
- print "</div>\n\n";
+ say sprintf '<dt>Unicode</dt><dd>v%s', $_ for $verrow->{unicode} || ();
+ say '</dl>';
+ say "</div>\n";
}