bash question

[William Park]

On Wed, Aug 11, 2004 at 12:46:54AM -0400, Peter L. Peres wrote:
> 
> I was trying to use ${foo:-1:2} in bash but it does not work (it is 
> supposed to extract the last 2 chars in $foo. However ${foo:${#foo}-2:2} 
> works as expected.

Use ${foo: -2}.  Note the space, because ${foo:-xxx} has some other well
defined meaning.

-- 
William Park <opengeometry-FFYn/CNdgSA at public.gmane.org>
Open Geometry Consulting, Toronto, Canada
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