Zsh: clobber
Zsh: clobber

I like being able to do things like:

  echo > foo

to empty a file. Without this option, I'd have to do:

  echo >! foo

instead.

Signed-off-by: Wincent Colaiuta <c76ac2e9cd86441713c7dfae92c451f3e6d17fdc@wincent.com>

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