Thanks for the suggestions, everybody.
The $! variable was the key: 'Permission denied'. So I used chmod to
search systematically through permissions and the tie works with
$chmod **6 configdata
$chmod **7 configdata
(*=0--7) and this strikes me as insecure especially as on another server
**5 works. So what might be the next step? Advice gratefully received.
John Ollason
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