How to move pivot point in Maya

Simple MEL script to move pivot point for selection to worlds 0,0,0 point.

string $sel[] = `ls -sl`;
string $mesh;

for ($mesh in $sel)
{
    move 0 0 0 ($mesh + ".scalePivot") ($mesh + ".rotatePivot");
}

Useful, when moving levels to game engine.
P.S. Doesn't work for groups. You have to select meshes inside group yourself.