[Gllug] Command line tool to find video dimensions?

[countd]

On 6/2/07, Tethys <sta296 at astradyne.co.uk> wrote:
> Yep. That's one of the few occasions when starting your script with
> #!/bin/bash is the right thing to do.

Why one of the few occasions? In what circumstances would it be wrong
to prefix a bash script with this?
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