Command Line Polling

In an ideal world, we would have to poll for anything; we would always have events to trigger other functions.  This isn’t an ideal world and, however, so it’s important to know how to poll in many languages.  I’ve covered JavaScript polling (with and without Promises), but what about command line polling?  For example, ensuring […]
The post Command Line Polling appeared first on David Walsh Blog.

Link: https://davidwalsh.name/command-line-polling