screencapture —
capture images from the screen and save them to a file or
the clipboard
screencapture |
[-SWCTMPcimswxto]
file |
The screencapture utility is not very well
documented to date. A list of options follows.
-c- Force screen capture to go to the clipboard.
-b- Capture Touch Bar, only works in non-interactive modes.
-C- Capture the cursor as well as the screen. Only allowed in non-interactive
modes.
-d- Display errors to the user graphically.
-i- Capture screen interactively, by selection or window. The control key will
cause the screenshot to go to the clipboard. The space key will toggle
between mouse selection and window selection modes. The escape key will
cancel the interactive screenshot.
-m- Only capture the main monitor, undefined if -i is set.
-D- <display> Screen capture or record from the
display specified. 1 is main, 2 secondary, etc
-o- In window capture mode, do not capture the shadow of the window.
-p- Screen capture will use the default settings for capture. The files
argument will be ignored.
-M- Open the taken picture in a new Mail message.
-P- Open the taken picture in a Preview window or QuickTime Player if
video.
-I- Open the taken picture in Messages.
-B- <bundleid> Open in the app matching
bundleid.
-s- Only allow mouse selection mode.
-S- In window capture mode, capture the screen instead of the window.
-J- <style> Sets the starting style of
interfactive capture
"selection","window","video".
-t- <format> Image format to create, default is
png (other options include pdf, jpg, tiff and other formats).
-T- <seconds> Take the picture after a delay of
<seconds>, default is 5.
-w- Only allow window selection mode.
-W- Start interaction in window selection mode.
-x- Do not play sounds.
-a- Do not capture attached windows.
-r- Do not add screen dpi meta data to captured file.
-l- <windowid> Captures the window with
windowid.
-R- <rectangle> Capture rectangle using format
x,y,width,height.
-v- Capture video recording of the screen.
-V- <seconds> Capture video recording of the
screen for the specified seconds.
-G- <id> Captures audio during a video recording
using audio source specified by id.
-g- Captures audio during a video recording using default input.
-k- Show clicks in video recordings.
-U- Show interactive toolbar in interactive mode.
-u- Present UI after screencapture is complete. Files passed to commandline
will be ignored.
- files
- where to save the screen capture, 1 file per screen
Better documentation is needed for this utility.
To capture screen content while logged in via ssh, you must launch
screencapture in the same mach bootstrap hierarchy
as loginwindow:
- PID=pid of loginwindow
- sudo launchctl bsexec $PID
screencapture
[options]
A screencapture utility first appeared in
Mac OS X v10.2.