02-29-2012
Glad it worked, you discovered what I was thinking of (assigning it to a tmp variable and testing against that after removing blanks).
I also tried something similar to your other efforts, ${arrayname[@]// /}], and that fails. Actually it succeeds, but not in the way you wanted. The substitution is applied to each element as they are echoed, and not to the overall expansion as a whole. I also thought that setting the field separator might work, but alas that failed too.
So, best I can tell, no there isn't a way to apply it directly. Maybe somebody else round here might know better.
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