Perl checks for rain and issues umbrella warning
Rain Check
A Perl script that retrieves the current weather forecast at dawn helps the Perlmeister decide whether to run the risk or take an umbrella just in case.
In the wet season, the question often arises as to whether rain or snow will fall from the sky during the day and therefore whether it might be advisable to take an umbrella with me to work.
Underground Weather
Ultimately, however, even occasional rain showers around noon would be irrelevant, as long as you could navigate the commute to and from work without getting wet. Luckily, the Weather Underground [1] weather service offers free forecasts for the day. Although they are certainly not 100 percent accurate, they do beat human intuition by a mile.
On CPAN, Perl programmers will find the WWW::Wunderground::API module, which uses a script to fetch the weather data from the server thanks to a free API developer key [2] procured especially for that purpose. The simple script in Listing 1 uses the module; it iterates over the hourly entries in the bulk of JSON data returned and outputs the time and the probability of rain for each hour sent in the pop (probability of precipitation) [3] entry.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
The Latest CachyOS Features Supercharged Kernel
The latest release of CachyOS brings with it an enhanced version of the latest Linux kernel.
-
Kernel 7.0 Is a Bit More Rusty
Linux kernel 7.0 has been released for general availability, with Rust finally getting its due.
-
France Says "Au Revoir" to Microsoft
In a move that should surprise no one, France announced plans to reduce its reliance on US technology, and Microsoft Windows is the first to get the boot.
-
CIQ Releases Compatibility Catalog for Rocky Linux
The company behind Rocky Linux is making an open catalog available to developers, hobbyists, and other contributors, so they can verify and publish compatibility with the CIQ lineup.
-
KDE Gets Some Resuscitation
KDE is bringing back two themes that vanished a few years ago, putting a bit more air under its wings.
-
Ubuntu 26.04 Beta Arrives with Some Surprises
Ubuntu 26.04 is almost here, but the beta version has been released, and it might surprise some people.
-
Ubuntu MATE Dev Leaving After 12 years
Martin Wimpress, the maintainer of Ubuntu MATE, is now searching for his successor. Are you the next in line?
-
Kali Linux Waxes Nostalgic with BackTrack Mode
For those who've used Kali Linux since its inception, the changes with the new release are sure to put a smile on your face.
-
Gnome 50 Smooths Out NVIDIA GPU Issues
Gamers rejoice, your favorite pastime just got better with Gnome 50 and NVIDIA GPUs.
-
System76 Retools Thelio Desktop
The new Thelio Mira has landed with improved performance, repairability, and front-facing ports alongside a high-quality tempered glass facade.