As we continue exploring Ruby one-liner alternatives to UNIX command-line operations, today we tackle a common case: a combination of grepping through multiple files, and collating the results.
Have you ever wondered how to tailor Ruby console output to the specific size of the user's terminal? In this video you'll learn how, using the io/console standard library!
Want line terminators in input text to just Go Away? Ruby has a mode for that!
Ruby has tools like -n and -p for filtering and summarizing text right from the command-line. But what about columnar input, like process listings or CSV? Today we'll see how …
Learn how Ruby's -p flag along with a bunch of handy shortcuts can take a script's worth of text filtering and shrink it to a one-liner!
Put on your flip-flops, because today we venture ever deeper into the world of Ruby one-liners!
Diving deeper into the world of Ruby one-liners, today we'll learn about more special variables, querying the input stream, and... ghoooooost loooooops! 👻
Don't spend time mastering UNIX tools if you can use Ruby one-liners instead.
Learn to use strace - a powerful microscope for peering into a program's interactions with the operating system.