mdsh.com/wiki

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		+	If 'Open With...' has repeated entries, then run this:
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-	{{{__/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -all s,l,u; killall Finder__}}}	+	{{{__/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -all s,l,u; killall Finder__}}}