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Total Price of Items on Checkout Receipt. Phil Shirley Cuyahoga Falls Library [email protected] 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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Presentation Transcript
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

[email protected]

www.cuyahogafallslibrary.org

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