more splitting

[Ray Andrews <rayandrews@xxxxxxxxxxx>]

    Stephane showed me this for getting a
      handle on how things are splitting, and showing a parallel hex
      dump:
      
      function hex ()
      {
      local var
      if [[ -p /dev/fd/0 ]]; then
          read var
          print -rC1 -- ${(q+)var}
          echo "\n-----------------------------\n"
          for element ("$var") print -rn -- $element | od -vAx -tx1 -tc
      else
          echo
          print -rC1 -- ${(q+)@}
          echo "\n-----------------------------\n"
          for element ("$@") print -rn -- $element | od -vAx -tx1 -tc
      fi
      
      }
      
          ... works fine with an argument, but with a pipe things go
      missing::
      
          Run:
      
     % var=("a b" c$'\n''d e f'' ''g h')
      
       %  hex $var
      
      'a b'
      $'c\nd e f g h'
      
      -----------------------------
      
      000000  61  20  62
               a       b
      000003
      000000  63  0a  64  20  65  20  66  20  67  20  68
               c  \n   d       e       f       g       h
      00000b
      
          ... very nice.  But:
      
      % print -rn $var | hex  
                          
      'a b c'
      
      -----------------------------
      
      000000  61  20  62  20  63
               a       b       c
      000005
    
          ... I've kept symmetry between both methods but something goes
      wrong at the newline.  I know it's all there, just a question of
      teasing it out of hiding.