Posted by: admin February 27, Leave a comment. MAK file? As others noted, start by installing the new perl in a separate place. I have several perls installed, each completely separate from all of the others.
Now, go back to your original distribution and run cpan -a to create an autobundle file. Watch the output to make sure things go well. That way you could have the new perl on removable media. You can test it anywhere you like without disturbing the local installation. The Berrybrew tool might help you manage that. Nimishan Nimishan 51 1 1 silver badge 2 2 bronze badges. None of those require root privileges ; you have to enjoy this. See also this answer. Sign up or log in Sign up using Google.
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New post summary designs on greatest hits now, everywhere else eventually. Linked 7. Related 2. Hot Network Questions. Perl is a great general purpose scripting language which excels at text manipulation, and is typically used for system administration, network programming, GUI development and more.
ActiveState Perl has been used to develop both commercial and non-commercial applications, scripts, APIs and other code for individual developers and organizations in a wide range of industries. Learn more about ActiveState Perl.
Recommended Version. When you apply foldcasing to two strings you can compare them with confidence. The order of the items returned by keys , values , and each was randomized for each call starting in 5. This makes Perl hashes more robust against algorithmic complexity attacks, which can be used to cause a denial of service.
This was added as an experimental feature in 5. If you enable the signatures feature you can write code like this:. Postfix dereferencing is another new experimental feature in 5. Perl has rightly been criticized for the ugly syntax required to dereference a complex data structure.
For example:. With postfix dereferencing, we can make the syntax consistent if not beautiful :. This works for any sort of reference, including scalars, arrays, hashes, subs, and globs. I know I am! Perl keeps new releases in sync with the Unicode specification, meaning that if you want to be able to use the full spectrum of Unicode characters in your code, you need to upgrade. And of course, there have been many Unicode bugs fixed since 5.
This is a very quick skim of the updates in major releases from 5. You can read through the perldelta docs yourself for more details:. You also get some backwards incompatibilities and other potential breakage. Here are some things that you need to watch out for. The smartmatch feature was first added in 5. It was then marked as experimental in 5.
In there was a discussion about whether to revise or kill the feature that has not yet been resolved. Smartmatch may return as stable in a future release, but if so it will be in a simplified form. Starting with Perl 5. You should always call these subroutines as class or object methods.
This module does not guarantee binary compatibility across releases. If you pass data from a newer version of Storable to an older version, the older version will always die. This module is part of the core, so upgrading your Perl will upgrade your Storable. One possibility is to upgrade all of your systems to the most recent version of Storable before you upgrade your Perl.
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