Category: macOS

• April 5, 2020

  How to emit battery data in a one-liner on MacOS

  In MacOS the command to emit data about battery status is: pmset -g batt If you want to record the battery percentage level in a file at regular intervals, here is how to record the data in a one-liner: while true; do \ echo “$(date “+%Y-%m-%d %H:%M:%S”) ” \ “$(pmset -g batt | grep “%” […]
• April 2, 2017

  What does the Notification “badge” on MacOS System Preferences icon really mean?

  If you have recently upgraded your MacOS laptop/desktop to 10.12.14, you will have noticed that now the System Preferences icon in the doc shows a mysterious “notification badge”: Just opening System Preferences shows absolutely no clue as to where the notification is coming from, nor what to do about it. It turns out that Apple […]