Language features, syntax, and gotchas.
In today's video, learn a concise and expressive syntax for merging several Ruby hashes into one!
Before YAML, before JSON, there were null-terminated records. See how this simple, pragmatic technique greases the pipes between UNIX command-line tools---and how you can harness it in your Ruby one-liners!
Did you know Ruby has a print method in addition to puts? Did you know it's for record-oriented output? Do you know how to control the formatting of records in …
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.
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!