<(common.inc.plp)><:
Html({
title => 'perl version cheat sheet',
version => '1.1',
keywords => [qw'
perl version feature features comparison
sheet cheat overview summary
'],
stylesheet => [qw'light dark red'],
data => ['perl.inc.pl'],
});
:>
Perl release summary
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
v5.8 or
v5.14.
<:
my $info = do 'perl.inc.pl' or die $@ // $!;
for my $vernum (reverse sort keys %{$info}) {
my $verrow = $info->{$vernum};
$verrow->{unstable} and next unless exists $get{v};
print ''."\n";
printf '
%vd %s
'."\n", $vernum, $verrow->{release};
for (@{ $verrow->{new} }) {
my ($topic, $desc, $attr) = @{$_};
if ($attr) {
my $title;
if (defined $attr->{experimental}) {
$title = 'experimental';
}
if ($attr->{dropped}) {
next unless exists $get{v};
$title = sprintf 'removed in %vd', $attr->{dropped};
}
elsif ($attr->{stable}) {
$title .= sprintf ' until %vd', $attr->{stable};
}
if ($attr->{experimental}) {
$title = sprintf '%s',
$attr->{experimental}, $title;
}
if ($attr->{feature}) {
$title = sprintf('feature', $attr->{feature})
. (defined $title && ", $title");
}
$desc .= sprintf ' (%s)', $title;
}
printf '- %s
- %s'."\n", $topic, $desc || '
';
}
printf ' - Unicode
- v%s'."\n", $_ for $verrow->{unicode} || ();
print "
\n";
print "