If you can get the information you need from lsusb, then just use that: 
my @output=`lsusb`;

[download]
or 
open LSUSB, "lsusb |" || die "call to lsusb failed: $!";
while (<LSUSB>) {
# find what you are looking for
}

[download]

In reply to Re: calling ioctl by Illuminatus
in thread calling ioctl by redss

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