给 perl hacker 们看的[5]

                       '<>'=>2307,
                       '{}'=>9814,
                       '()',2076);
                       for $a(keys
                       %e){$e{$a}=
                       sprintf"%b"
                       , $e{$a};}
                     $y= qq{(}.join(
                     '|',map "\Q$_\E"
                   ,keys %e).qq{)};s/$y
              /$e{$1}/gex;print pack"B*",$_;

%%
#Kickstart from http://www.perlmonks.com/
#note: a slight valentine variation :)

      $LOVE=               AMOUR.
    true.cards.        ecstacy.crush
  .hon.promise.de    .votion.partners.
 tender.truelovers. treasure.affection.
devotion.care.woo.baby.ardor.romancing.
enthusiasm.fealty.fondness.turtledoves.
lovers.sentiment.worship.sweetling.pure
.attachment.flowers.roses.promise.poem;
 $LOVE=~ s/AMOUR/adore/g; @a=split(//,
  $LOVE); $o.= chr (ord($a[1])+6). chr
   (ord($a[3])+3). $a[16]. $a[5]. chr
    (32). $a[0]. $a[(26+2)]. $a[27].
      $a[5].$a[25]. $a[8].$a[3].chr
        (32).$a[29]. $a[8].$a[3].
          $a[62].chr(32).$a[62].
           $a[2].$a[38].$a[4].
               $a[3].'.';
                 print
                  $o;
                 
%%                 
# chipmunk (aka Ronald J Kimball) <rjk@linguist.dartmouth.edu>
#!perl -l
$_={1..28};$/=[$_,P,a..z,J,$"];print+map{$_&1?$/->{$_}:$/->[$_|1]}
(27,21,19,20,28,1,14,15,20,8,5,18,28,0,5,18,12,28,8,1,3,11,5,18)
%%
#Ronald J Kimball  <rjk@linguist.dartmouth.edu>
$~='`';$_=$:=$~|'%';$;=$^='/'|$~;$;++;$\=$~|"'";$;++;$:.=++$;;$/=++$;;+$\++;$_.=
'#'|$~;$,=++$/;$_.="$\$^$\"";++$,;$_.='@'|'*'&~'!';$_.="$,$;$/$\"";$_.+='!.'|$~.
$~;$_.="$^$/$\$:$\"";$_.='@'|':'&~'*';$_.=$:;$_.=$^&'|';$_.=$".$\;$_.=+"$~$~$~"|
'!#+';++$.;$.++;`$_$:,>&$.`;
%%                          
#Abigail
perl -wle 'print "Prime" if (1 x shift) !~ /^1?$|^(11+?)\1+$/'
%%
#Abigail
perl -wle 'print "Prime" if (0 x shift) !~ m 0^\0?$|^(\0\0+?)\1+$0'
%%
#Abigail
perl -wle 'print "Prime" if ("m" x shift) !~ m m^\m?$|^(\m\m+?)\1+$mm'
%%
#Abigail
perl -wle '$, = " "; print grep {(1 x $_) !~ /^(11+)\1+$/} 2 .. shift'
%%
#Abigail
perl -wle '(1 x $_) !~ /^(11+)\1+$/ && print while ++ $_'
%%
#Abigail
perl -wle '(1 x $_) !~ /^(11+)\1+$/ && print while ++ $_' | perl -pe 'INIT {<>}'
%%
#Abigail
perl -wle 'INIT {$_ ++} (1 x $_) !~ /^(11+)\1+$/ && print while ++ $_'
%%
#Abigail
perl -wle '(1 .1 x $_) !~ /^(11+)\1+$/ && print $_ + 1 while ++ $_'
%%
#Abigail
perl -wle '(1 x $_) !~ /^(11+)\1+$/ && print while ($_ ||= 1) ++'
%%
#Abigail