#!/usr/bin/perl -wire
# sets -w, which only tries to slightly obfuscate that i'm using -i ( $^I) to
# hold "re".  a later version of this, i added a comment below this line that
# read "# Just another Bird onawire", hoping that an observant deobfuscator
# would notice that that phrase contained most of "Just another Perl hacker,",
# had the right capitalization, and the correct number of characters, and lead
# the deobfuscator to believe that the comment might be used to generate the
# phrase.

# set $/ to 'J' to create the capital J.
$/ = "J";

# set $\ (output record separator, saves from having to print it) to ',' for
# the end of the japh.
$\ = ",";

# some basic character -> ord -> math -> character machinations.
# this puts the string "kcahtona" into $r - those bits give "anoth" and "hack"
# when reversed and substr'd out.
$r = join "",
     map { $_ += 57; chr }
     map { ord }
     split //, "2*(/;65(";

# t holds a list of single character symbols in the symbol table.
@t = sort
     map { if( m/^\w$/m ){
             $_
           }
         }
     keys %{ *:: } ;

# sub u returns a single space.
sub u { $" }

# sub s returns "re" . "htona" = "another" reversed.
sub s { $^I . substr $r, 3, 5 }

# sub j returns "l" . "re" . "P" = "Perl" reversed.  i've learned that the
# symbol table gets populated in a reliable manner (at least reliable enough
# for the purposes of this JAPH) to be able to count on the position in a sorted
# list of single character symbol table entries.
sub j { $t[-5] . $^I . $t[-8] }

# sub P returns "re" . "kcah" = "hacker" reversed.
sub P { $^I . substr $r, 0, 4 }

# sub l returns "t" . "s" . "u" . "J" = "Just" reversed.
sub l { $t[-2] . $t[-3] . $t[-1]. $/ }

print map {
            # this just adds a space (via sub u) after every word-returning
            # subroutine unless it matches /ack/.
            if( m/ack/ ){
              $_
            }
            else {
              $_ .= &u  }
          }
      # calls the subroutines in order, reversing the letters in each word.
      map { scalar reverse }
          ( l, &s, &j, &P);