perlintro#Perl variable types, Writing subroutines

#!/usr/bin/perl --
##
##
## perltidy -olq  -csc -csci=10 -cscl="sub : BEGIN END if " -otr -opr 
+-ce -nibc -i=4 -pt=0   "-nsak=*"
#!/usr/bin/perl --
use strict;
use warnings;

Main( @ARGV );
exit( 0 );

sub Main {
    print join "\n", pageLinksHtml( 170, 11, 10, 5 );
}

sub pageNumbers {
    return
      { first => 1 },  9, 10,
      { curr => 11 }, 12, 13,
      { last => 17 },
      ;
} ## end sub pageNumbers

sub pageLinksHtml {
    my( $total, $curr, $rate, $links ) = @_;
    my @nums = pageNumbers( $total, $curr, $rate, $links );
    for my $num ( @nums ) {
        if( ref $num ) {
            if( my $first = $$num{first} ) {
                $num = sprintf '<li><a href="?;page=%d">{%d</a>...</li
+>',
                  $first, $first;
            } elsif( my $curr = $$num{curr} ) {
                $num = sprintf '<li><b>%d</b></li>', $curr;
            } elsif( my $last = $$num{last} ) {
                $num = sprintf '<li>...<a href="?;page=%d">%d}</a></li
+>',
                  $last, $last;
            }
        } else {
            $num = sprintf '<li><a href="?;page=%d">%d</a></li>', $num
+, $num;
        }
    }
    return '<ul>', @nums, '</ul>';
} ## end sub pageLinksHtml
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