You tell a build tool where you want to go, and it figures out the shortest path to get there. But when things go wrong, understanding why can be challenging. …
Month: September 2020
Episode #642
Line Ending Processing Mode
Want line terminators in input text to just Go Away? Ruby has a mode for that!
Episode #641
Unroll Test Loops
Be wary of the temptation to DRY up testing code. As you'll see in this episode, a refactoring that might add value to to application code can actually make your …
Episode #640
Autosplit
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 …