    print <<EOF;    # same as earlier example    
The price is $Price.
EOF

    print <<"EOF";  # same as above, with explicit quotes
The price is $Price.
EOF

    print <<'EOF';  # single-quoted quote
All things (e.g. a camel's journey through
A needle's eye) are possible, it's true.
But picture how the camel feels, squeezed out
In one long bloody thread, from tail to snout.
                                -- C.S. Lewis
EOF

    print << x 10;  # print next line 10 times
The camels are coming!  Hurrah!  Hurrah!

    print <<"" x 10;  # the preferred way to write that
The camels are coming!  Hurrah!  Hurrah!

    print <<`EOC`;  # execute commands
echo hi there
echo lo there
EOC

    print <<"dromedary", <<"camelid"; # you can stack them
I said bactrian.
dromedary
She said llama.
camelid
*****
    print <<ABC
179231
ABC
    + 20;   # prints 179251
