perl -lne 'sub out {
               s/\s+/ /g, print for @t;       # Normalize whitespace, print buffers.
               @t = ();                       # Clear the buffers.
           }
           if (/^-+$/) {                      # Separator.
               out();
           } else {
               @p = split /\|/;               # Split the line on vertical bars.
               $t[$_] .= $p[$_] for 0 .. $#p; # Add each part to its buffer.
           }' < input

##</code><code>##

}{ out();