skip empty lines returned by iwinfo in wlNoiseFloor.sh #568
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Sometime after Openwrt 19.07 the `iwinfo` application adds an empty line after each node's information. This breaks `wlNoiseFloor.sh` This commit removes the empty lines to restore functionality
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Sometime after Openwrt 19.07 the
iwinfoapplication adds an empty line after each node's information. This breakswlNoiseFloor.shThis commit removes the empty lines to restore functionality