Mark all windows read v1.0

This alias marks all channels as read in the switchbar\treebar.
Put it in remotes and type -> /markallread

If you are connected to 2 or more networks, just type -> /scid -a markallread

This might be useful if you change your nick or connect to your ZNC.

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alias markallread { var %i = $window(*,0) | while (%i) { window -g0 $qt($window(*,%i)) | dec %i } }