Add Capture Screenshot To Clipboard From CLI as a Mac TIL

mac/capture-screenshot-to-clipboard-from-cli.md

@@ -0,0 +1,27 @@
+# Capture Screenshoot To Clipboard From CLI
+
+MacOS comes with a `screencapture` utility that you can run from the terminal
+to activate the built-in screenshot functionality on Mac.
+
+Usually when I am taking a screenshot, I want to do something with it right
+away. Such as paste it into an application or group chat. The `-c` flag forces
+the screen capture to go the clipboard.
+
+I also generally want to capture a specific area of the screen so that the
+captured image includes the right amount of context and nothing more. The `-i`
+flag puts you in interactive screen capture mode. That means your cursor will
+turn into a crosshair that you can use to make a drag selection of the capture
+area.
+
+```bash
+$ screencapture -ic
+```
+
+Select an area to capture, it's now on your clipboard, paste it where you need
+it.
+
+Note: The first time you run this command, your terminal program (e.g. iTerm2)
+may prompt you for the necessary OS permissions in order to capture images of
+your screen. You'll need to grant those permissions and then rerun the command.
+
+See `man screencapture` for more details.