How do I move the oldest or newest file in a directory to another with Mac OS X Terminal

Question

I\'m trying to us the following command on Mac OSX 10.6 Terminal but it does not work..Any idea what I may be doing wrong?

These work...

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Answer 1

Adding the parameter -1 to your ls will fix that. Seems like osx' ls doesn't check correctly whether it prints to a terminal or a pipe..