[ic] producing and scanning barcodes

[Daniel Collis-Puro]

Duane Hinklley wrote:

> Peter,
>
> I wrote a module for a client using the PDF::Report module.  I can't 
> donate it since it was work for this client, but the PDF::Report did 
> most the work.
>
> Since the barcode scanner normally interfaces directly to the 
> keyboard, to recieve items you just need a special admin page that 
> allows you to enter the sku.  You scan the item and the scanner puts 
> the sku in the field.  When submit is clicked, it adds it to the 
> inventory (ie increments the inventory value in the inventory table).
> If you have control over what the item barcodes look like, you could 
> make them all a fixed width like 12.  Then on the special page to 
> recieve the item, you can add some javascript that automatically 
> submits the page after the 12 character.  That way each item you scan 
> would automatically submit the page.  So you don't have to touch the 
> keyboard.

You can encode <return>, <tab> and other ASCII codes in "code 128" 
barcodes, so you don't need to go Javascript to submit forms.

-DJCP


-- 
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Daniel Collis-Puro
Software Engineer
End Point Corp.
dan at endpoint.com
(o)781-593-1858
(c)781-477-1875
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