I'm actually not sure this is a problem with precedence or with list assignment. Note that the list assignment is in scalar context in both code blocks. The first is in the scalar context of &&; the second is in the scalar context of a while condition.

However, your two loops have different ending conditions; the first ends when $siteslisted >= $sitesperpage, while the second ends when $siteslisted < $sitesperpage. That may just be an error in retyping the code here, though.

Based on the code you posted, it's hard to say what the problem is...

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