Does anyone know of a way to determine the current X resolution from the command line, without using randr?


you can grep output of xdpyinfo or xwininfo -root or xprop -root.

  • Perfect, thanks! I wound up using "xdpyinfo | grep dimensions" – Brad Aug 24 '11 at 21:24

I'm not sure if xdpyinfo uses RANDR:

xdpyinfo | grep dimensions:

This one assumes the root window's size is the resolution:

xwininfo -root |egrep 'Width:|Height:'

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