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Conditions are useful when the software where you need to put data requires to perform a sequence of actions only when a condition is verified.

 

The components required to make it happen are the if and the endif component. Their job is to change the flow of execution of the Output template.

 
 
 

If the condition is true, the if component allows the flow of execution to continue with the next component.

But if the condition is false, if causes the flowof execution to skip to endif, from which point execution will proceed.

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You may wonder why would someone replace a physical barcode scanner with a smartphone? Isn’t a real scanner better?

Acquisition technology

You may be thinking: isn’t a proper barcode scanner better than a smartphone camera?
The short answer is yes, of course yes, and the reason is that they employ a different acquisition technology.

Physical scanners use a light source such as a laser beam in combination with a photodiode that is able to measure the amount of the reflected light and use this information to interpret the barcode.

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The Apple Bonjour library is required to make the server pair automatically with the app, so that you won’t have to use the QRCode to pair it, and it’s already included in the Barcode To PC installer.

This error can be caused by these two reasons:

  1. You don’t have the Apple Bonjour library installed
  2. The Bonjour service is not started

To fix the issue:

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Let’s say that you need to put a bunch of barcodes inside a CSV file, doing it manually with an ordinary spreadsheet software could be a very slow and boring task, that’s where Barcode to PC helps you out.
 
As already explained in the keyboard emulation article the Barcode to PC app is capable of sending barcodes to your computer, and saving them to a file can be done with few clicks, see how here:

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