How to Get Mac Battery Level from Command Line
I'm a big fan of having as much information as I can get within the command line. I couldn't go without knowing which git branch I'm on, for example. Another important piece of information I like having is my current battery percentage.
To get the current battery level from command line, you can run:
pmset -g batt | grep -Eo "\d+%"
Since I get lost in command line for hours at a time, having the percentage present saves me the labor of shifting my eyes outside of shell. What information do you like having in your command line?
![Write Better JavaScript with Promises]()
You've probably heard the talk around the water cooler about how promises are the future. All of the cool kids are using them, but you don't see what makes them so special. Can't you just use a callback? What's the big deal? In this article, we'll...
![Regular Expressions for the Rest of Us]()
Sooner or later you'll run across a regular expression. With their cryptic syntax, confusing documentation and massive learning curve, most developers settle for copying and pasting them from StackOverflow and hoping they work. But what if you could decode regular expressions and harness their power? In...
![DWRequest: MooTools 1.2 AJAX Listener & Message Display]()
Though MooTools 1.2 is in its second beta stage, its basic syntax and theory changes have been hashed out. The JavaScript library continues to improve and become more flexible.
Fellow DZone Zone Leader Boyan Kostadinov wrote a very useful article detailing how you can add a...
![Create a Simple News Scroller Using Dojo]()
My journey into Dojo JavaScript has been exciting and I'm continuing to learn more as I port MooTools scripts to Dojo. My latest experiment is porting a simple new scroller from MooTools to Dojo. The code is very similar!
The HTML
The news items...
I turned this into alias called
battery
. Thanks for the tip!