imacat has replied that the garbled error messages were: 
"Inappropriate ioctl for device"

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I'm pretty sure Jim is right about the dodgy way test input files are read and written, so I'll look into that, but can someone tell me how and why "Inappropriate ioctl for device" might crop up during a test? I'm normally on Win32, so I need to do some reading op on ioctl.

In reply to Re^2: Strange CPANTS report by rvosa
in thread Strange CPANTS report by rvosa

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