Ever wondered how async frameworks such as Ruby's EventMachine or Node.JS work under the hood? Those frameworks are built on a technology known as the Reactor Pattern, and today we're …
Tag: Input – Output
Async with Multiplexing
In our quest to coordinate asynchronous tasks, we've attempted a polling approach. Unfortunately, this strategy has some significant efficiency drawbacks. This time, we'll apply a technique known as "multiplexing", to …
Asynch with Polling
How can we make sure asynchronous work is done efficiently? In ep #2 of a series, we'll build one of the simplest possible solutions: a polling model.
Episode #505: Subprocesses Part 15: Capture
Ruby's backtick operator is great for quick-and-dirty output capture, but what do you use when you need more power?
Episode #501: Suppress Output
Learn a robust, cross-platform way to throw away unwanted output in Ruby programs.
Episode #492: Special Variables Part 2: I/O
Learn about Ruby's Perl-style I/O special variables, and why they exist.
Episode #485: Subprocesses Part 10: Open Pipe
Ruby's open() call has more tricks up its sleeves than you know!
Episode #480: Read and Write
Shortcuts to reading and writing files in Ruby.
Episode #468: Line Endings
A little history lesson about computer text formats
Episode #419: Subprocesses Part 4: Redirection
Today we look at redirecting subprocess I/O, and discover that it's surprisingly easy!