Perl 6 and Parrot Essentials, 2nd Edition
The Community's Rewrite of Perl
By Allison Randal, Dan Sugalski, Leopold Tötsch
Publisher: O'Reilly Media
Final Release Date: June 2004
Pages: 298

Distilling many years of Perl experience--including an insiders look at Perl development (the authors are members of the Perl 6 core development team)--Perl 6 and Parrot Essentials, 2nd Edition is an unparalleled preview of major changes in the widely-anticipated Perl 6. This sneak peek of what's coming in Perl includes succinct but thorough coverage of groundbreaking new developments in Parrot--the language-independent interpreter engine that will execute code written in the new Perl 6 language. Designed to be language independent, Parrot can be used to interpret other dynamic languages such as Python, Tcl, Ruby, and even Java.Perl 6 and Parrot Essentials also uncovers the most revolutionary change in the language itself--Apocalypse 12 on objects. The Apocalypse design documents (in the sense of "revealing", not "end-of-the-world") explain significant changes in new Perl 6 features, numbered according to the chapters in O'Reilly's landmark Camel book , Programming Perl.Apocalypse 12 is the result of cutting-edge research in object-oriented languages and is guaranteed to grab the attention of any serious Perl programmer. Perl 6 and Parrot Essentials also includes expanded coverage of Apocalypse 5 (regular expressions) and Apocalypse 6 (subroutines).Perl 6 and Parrot Essentials is the only book available to chart the course of the long but fruitful voyage of Perl 6. It reveals all the ingenious developments that will make Perl 6 more powerful and easier to use.Perl gurus and programmers alike will rely on this slim but essential book for both a clear view of the Perl horizon and to ensure they hit the ground running once this important new version of Perl is released.

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4.0

Review of Perl 6 Essentials Book

By George Woolley of Camelot.pm and Oakland.pm

from Undisclosed

Comments about oreilly Perl 6 and Parrot Essentials, 2nd Edition:

Perl 6 is not here yet.

Even the definition of the language is still in flux.

But many things are reasonably clear,

and certainly much clearer than a little over a year ago

when the first edition of this book came out.

From my perspective, the highlights of Perl 6 are:

(1) Perl 6 is the Perl community's rewrite of Perl.

(2) In Perl 6 there are rules which are way clearer

and more powerful than regular expressions.

(3) In Perl 6 object orientation

is pervasive but not intrusive.

(4) Perl 6 depends on the Parrot engine

for both compiling and running.

(5) Other languages will also run on the Parrot engine,

e.g. Perl 5, Ruby, Python.

And there's much more.

I've only included what seems

most important from my limited perspective.

This book:

(a) describes the structure and functioning

of the projects to develop Perl 6 and Parrot

(b) gives the design philosophy underlying the Perl 6 language

and briefly describes the syntax and semantics

of some key features of the language.

(c) gives an overview of the Parrot engine

and provides Parrot language information

including reference material for assembler codes, etc.

If you are big into Perl

or for some other reason wish

to explore this developing technology,

this is the book for you.

It's an exciting, well conceived book.

You'll be exposed to the major aspects of Perl 6

and the Parrot engine that underlies it;

and you'll also learn what you need to know

to follow the on-going development and

to get involved (if you want to).

If you wish, see my somewhat longer review.

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