The rename command is a powerful means to simultaneously rename or even move multiple files following a given pattern.

The Minuimus Perl script helps you save disk space by reducing the file size of PDF files with just a few commands.

Make your blog look good on both desktop monitors and modern smartphones with high-resolution graphics by adding CSS and media queries to change the layout on the fly.

To tackle mathematical problems with conditional probabilities, math buffs rely on Bayes' formula or discrete distributions, generated by short Perl scripts.

The Neo4j graph database is much better suited than relational databases for storing and quickly querying nodes and their mutual relationships. If your circle of friends is not wide enough to warrant a graph-based application, you might just want to inventory your LAN.

The Elasticsearch full-text search engine quickly finds expressions even in huge text collections. With a few tricks, you can even locate photos that have been shot in the vicinity of a reference image.

Many people have declared the granddaddy of scripting, Perl, to be dead. A look at new items in the CPAN software repository, however, shows that the community is still quite active.

With a few lines of self-written firmware and a simple Perl script, Perlmeister Mike Schilli trains one of his Linux computers with a plugged in Arduino board to switch electrical equipment on and off using a relay. Enchanting.

When the Perlmeister is on the road, he likes to know what's going on at home. Armed with just two scripts, he draws on the Tumblr API to store snapshots cyclically from his home security camera.

It started off harmlessly enough with a few funny pictures of cats, but eventually it became the Internet phenomenon par excellence. It's no joke: Perl gives you some great tools for building and customizing memes yourself.