The Bar Code FAQ [http://www.azalea.com/FAQ.html] has valuable information, but is available only in [PDF]. BarCode1 FAQ [http://www.adams1.com/pub/russadam/faq.html] is an entirely different document. ---- XXXX [http://www.narrabri.atnf.csiro.au/software_dev/archiving_station/archiver.html] is an archival application written in Tcl. One CueCat decoder [http://www.logorrhea.com/cuecat/] is written in Tcl. "A fully automated high-throughput HPLC-MS system ..." is an academic article which describes a Tcl-coded biochemical system which employs barcodes. BarCode DataBase [http://sourceforge.net/projects/bcdb] is coded in [Perl].