Gets the X11 Screen resolution

xrandr | sed -n '/\*/ s/\s*\([0-9x]*\).*/\1/ p'
Refactored the original. Cuts out the unnecessary grep and echo. Sample output shows that you get multiple results if you have multiple displays, each presented as 'landscape' whether the display is in fact in landscape or portrait orientation. In the sample case, 1920x1200 is misleading, since it's really in portrait mode, 1200x1920.
Sample Output
1280x800
1920x1200

0
2014-11-19 15:04:09
sed

2 Alternatives + Submit Alt

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Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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