On Sun, 21 May 2006, Aras Vaichas wrote:

> Hi,
> 
> I get two different results from a USB barcode reader (PSC - Quickscan 6500 
> using usbhid) on two different Linux systems.
> 
> On the "broken" system it keeps randomly swapping digits.
> 
> On my laptop, Linux Knoppix 2.6.12 #2 SMP, I would correctly scan barcodes 
> with 
> these serial numbers:
> 
> 20906
> 20959
> 20779
> 21126
> 
> while on my desktop, Linux Gentoo 2.6.12-gentoo-r6 #9, the scan is:
> 
> 20096 - swaps these
> 20599 - swaps sometimes
> 20779 - doesn't swap this one

Maybe it is swapping them.  How could you tell if the two 7s were 
interchanged?  :-)

> 21126/22116 - randomly swaps these!
> 
> The other funny thing is, that this only seems to occur in bash, I tried 
> scanning into Thunderbird and the results were always correct, scanning into 
> Konqueror gave even more random errors.
> 
> Is there some strange difference between bash on the laptop or my desktop?

There should not be any significant difference.

Alan Stern



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