Preferred loop structure not working in bash 4.2

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Autor: Bryan O'Neal
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Para: Arizona State University Linux Users Group, Main PLUG discussion list
Assunto: Preferred loop structure not working in bash 4.2
In centos7, bash 4.2, I am rejected when I try and run my preferred
iterative loop and I don't know why it no longer likes it

for (( i = ${floor}; i < ${ceiling}; i++ )); do
things_and_stuff
done

Anyone know why?

Yes I can still do
i=${floor}
while [[ $(( i += 1 )) -le ${ceiling} ]]; do
things_and_stuff
done

but it doesn't help me understand why the first construct no longer
functions.
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