yes, and from perlop,
Quote and Quote-like Operators
While we usually think of quotes as literal values, in Perl they function as operators, providing various kinds of interpolating and pattern matching capabilities. Perl provides customary quote characters for these behaviors, but also provides a way for you to choose your quote character for any of them.
nowhere does it imply (to me) that there are situations where you can use " but not qq(), so i would expect to be able to use
print <<qq~DOUBLE~;
$foo
DOUBLE
but i can't.
and that doesn't explain or demonstrate other weird uses of heredoc syntax, for example,
my @list = (<<HERE, <<THERE, <<EVERYWHERE);
cluck, cluck
HERE
baa, baa
THERE
e i e i o
EVERYWHERE
print "with a ", shift @list, "and a ", shift @list, "singing ", shift
+ @list;
so i'd still like a tutorial. but maybe i'll have to write it myself.
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Since then, I have seen it mentioned in a couple of other places, including (if memory serves) Rat, Camel (currently 50% off, via that link), and the Spikey Ball.
nit: It's not a rat, it's a mouse! Quick quote from the Colophon:
The animal featured on the cover of CGI Programming for the World Wide Web is a mouse, a rodent of the family Muridae.
This ends today's extremely pointless fact, g'day!
Dr. Michael K. Neylon - mneylon-pm@masemware.com
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"You've left the lens cap of your mind on again, Pinky" - The Brain
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