Fix bash [[ ]] syntax usage in utd.
Fix bash [[ ]] syntax usage in utd.

pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/shared-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff,pdbartlett/misc-stuff