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    That's pretty short already. Commented Jan 4, 2012 at 15:40
  • Can you clarify what you're asking for? As you've written your example, it looks equivalent to rm -rf "$oldname" &. I assume that doesn't do what you want, so a better example would be helpful. Commented Jan 4, 2012 at 16:22
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    @WarrenYoung it is equivalent, but frees up the name "$oldname" so I can use it without waiting for all its contents to be unlinked first. Commented Jan 4, 2012 at 17:11
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    In that case, then I'd say a function or alias is the way to make it shorter. Commented Jan 4, 2012 at 20:51