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Item Wish List | The Effective Perler
https://www.effectiveperlprogramming.com/item-wish-list-2
Effective Perl Programming – write better, more idiomatic Perl. Posted by brian d foy on September 14, 2010. We’re keeping track of your suggestions for future Items. We’re not committing to any deadline for any of these Items, especially since it might take us quite a bit of work and research to write about them. If you really want to motivate us, you might commission a topic so we have the time to do the work without going to debtors prison. Version of Effective Perl Programming. I have tried to read.
effectiveperlprogramming.com
Use a computed label with loop controllers | The Effective Perler
https://www.effectiveperlprogramming.com/2014/10/use-a-computed-label-with-loop-controllers
Effective Perl Programming – write better, more idiomatic Perl. Use a computed label with loop controllers. Posted by brian d foy on October 25, 2014. Not sure which loop you want to break out of? Perl v5.18 makes that easy with computed labels. The value you give. No longer has to be a literal. You could already do this with. But now you can give the loop controllers an expression. In the output, you don’t see. And anything that comes after it:. Use v5.10; LINE: while(. Case, which has been around for a...
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Use Perl 5.22’s operator for safe command-line handling | The Effective Perler
https://www.effectiveperlprogramming.com/2015/05/use-perl-5-22s-operator-for-safe-command-line-handling
Effective Perl Programming – write better, more idiomatic Perl. Use Perl 5.22’s. Operator for safe command-line handling. Posted by brian d foy on May 25, 2015. We’ve had the three argument. Since Perl 5.6. This allows you to separate the way you want to interact with the file from the filename. Old Perl requires you to include the mode and filename together, giving Perl the opportunity to interpret what you mean:. Open FILE, ' some file';. Open FILE, ' ', 'some file';. Open FILE, $filename;. Usr/bin/per...
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Errata | The Effective Perler
https://www.effectiveperlprogramming.com/errata
Effective Perl Programming – write better, more idiomatic Perl. Posted by brian d foy on April 26, 2010. This post lists the confirmed errata for Effective Perl Programming, Second Edition. We’ll collect reports and fix up what we can for subsequent printings. We classify problems into five types, encoded by their first letter:. A Serious technical mistake. Usually means we said something that was completely wrong and there is no hope in salvaging it. A Minor technical mistake. Usually means we left out ...
effectiveperlprogramming.com
About | The Effective Perler
https://www.effectiveperlprogramming.com/about
Effective Perl Programming – write better, more idiomatic Perl. Posted by brian d foy on January 1, 2010. Is the online extension of the Effective Perl Programming, 2nd Edition. Let us know how The Effective Perler. Perl v5.24 adds a line break word boundary. Perl v5.22 adds fancy Unicode word boundaries. Perl v5.26 new features. Lexical $ and autoderef are gone in v5.24. Midweek bonus item (7). Safari Books Online (2). Files and filehandles (5). The Basics of Perl (22). Table of contents (1).
effectiveperlprogramming.com
Perl v5.16 now sets proper magic on lexical $_ | The Effective Perler
https://www.effectiveperlprogramming.com/2014/11/perl-v5-16_now_sets_proper_magic_on_lexical
Effective Perl Programming – write better, more idiomatic Perl. Perl v5.16 now sets proper magic on lexical $. Posted by brian d foy on November 4, 2014. Perl v5.10 introduced. Which everyone has assumed is a global variable, turned out to be a huge mistake. The various bookkeeping on the global version didn’t happen with the lexical version, so strange things happened. You saw the problem in Use for instead of given. For that reason, we recommended substituting. Remembered the value of. Lexical $ and au...
effectiveperlprogramming.com
Free eBook | The Effective Perler
https://www.effectiveperlprogramming.com/free-ebook
Effective Perl Programming – write better, more idiomatic Perl. Posted by brian d foy on September 2, 2010. There are a few ways that you can get a free ebook copy of our book:. Borrow a co-workers and never bring it back, risking bodily harm. Illegally pirate a copy, depriving children of food and shelter. Suggest topics that we can write about on this site, maybe being famous for a week or getting a free ebook version of Effective Perl Programming. September 10, 2010 at 3:01 am. Or in Mastering Perl.
effectiveperlprogramming.com
Perl v5.22 adds hexadecimal floating point literals | The Effective Perler
https://www.effectiveperlprogramming.com/2015/06/perl-v5-22-adds-hexadecimal-floating-point-literals
Effective Perl Programming – write better, more idiomatic Perl. Perl v5.22 adds hexadecimal floating point literals. Posted by brian d foy on June 17, 2015. Before you get into the details, here’s the new feature. You can write a hexadecimal floating point number with hex digits. You specify the power of two exponent with. Which must be present:. My $number = 0x1.aaaaaaaaaaaabp 1;. You print numbers as hexadecimal floating point numbers in the same form with the new. The number conversion gets as far as ...
effectiveperlprogramming.com
Perl v5.18 adds character class set operations | The Effective Perler
https://www.effectiveperlprogramming.com/2015/02/perl-v5-18-adds-character-class-set-operations
Effective Perl Programming – write better, more idiomatic Perl. Perl v5.18 adds character class set operations. Posted by brian d foy on February 25, 2015. Perl v5.18 added experimental character code set operations, a requirement for full Unicode support according to Unicode Technical Standard #18. Which specifies what a compliant language must support and divides those into three levels. Perl calls this experimental feature “Extended Bracketed Character Classes” in perlrecharclass. Use v5.18; no wa...
effectiveperlprogramming.com
TOC | The Effective Perler
https://www.effectiveperlprogramming.com/toc
Effective Perl Programming – write better, more idiomatic Perl. Posted by brian d foy on September 6, 2010. Here is the final table of contents for Effective Perl Programming, 2nd Edition. The “Item” references in our blog entries refer to the items in the book. We also have a map from the Item numbers in the first edition to those in the second, but we’ll have to do a little work to make those look nice for the blog. Chapter 1: The Basics of Perl. Item 2. Enable new Perl features when you need them.
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