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Total Price of Items on Checkout Receipt. Phil Shirley Cuyahoga Falls Library pshirley@cuyahogafallslibrary.org. The Situation. Levy campaign Brian Herzog 's value calculator on web site www.cuyahogafallslibrary.org/ content/value-calculator "You saved..." on receipts at stores

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Total price of items on checkout receipt

Total Price of Items on Checkout Receipt

Phil Shirley

Cuyahoga Falls Library

pshirley@cuyahogafallslibrary.org


The situation
The Situation

  • Levy campaign

  • Brian Herzog 's value calculator on web site

  • www.cuyahogafallslibrary.org/content/value-calculator

  • "You saved..." on receipts at stores

  • Wanted to show value of items at time of checkout


Library software that can do this
Library Software that Can Do This

  • Aleph (ExLibris)

  • Evergreen

  • Koha


How to intercept output to the printer
How to Intercept Output to the Printer

  • Alphatronics Virtual Port Monitor ($345 site license)

  • alphatronics.net/AVPMon.html

  • Install on each PC

  • Create a virtual port

  • Send print job to a script

  • "Also send print job to printer?"


Also on each pc perl tcl
Also on Each PC: Perl & TCL

  • Perl script

    • Looks at each print job

    • Passes barcode to TCL script

    • Saves price from TCL script

    • Calculates and prints total & footer

  • TCL Script

    • Given barcode, looks up price


Issues
Issues

  • Can't get price for SearchOhio items (could make one up)

  • Items with no price

  • Have to wait at the end (staff don't always)

  • It still misses some items

  • Feature going away in next Millennium release


Receipt footer
Receipt Footer

By using the library today you saved:

$99.99

Thank you!


Technical complications
Technical Complications

  • Print monitor calls batch file

  • Batch file calls VBS script

  • VBS script calls Perl script

  • Print monitor creates extra files

  • Logon script clears extra files


Dosprint exe
DOSPrint.exe

  • For USB printers

  • Because Alphatronics VPM doesn't output to USB printers


Questions
Questions?

Phil Shirley

Cuyahoga Falls Library

pshirley@cuyahogafallslibrary.org

www.cuyahogafallslibrary.org