[plug] word splitting

[Timothy White]

James Devenish wrote:
> *However* in this case you don't need to use `ls` at all. Just do:
> 
> for img in *.jpg; do
>     ...
> done
I remember this from my readings of man pages and will probably use it 
in some scripts now. But what happens if there are no .jpg files in the 
directory? It will still do one loop except with $img='*.jpg'
Any ideas how to get rid of that?

Tim
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