Code 39 Extended

#summary Reference for Code 39 Extended

=Code 39 Extended=

The Code 39 Extended barcode symbology is discrete, variable length and self-checking. It is based on [Code39 Code 39] but can encode full 128 character ASCII by using shift combinations.

Also known as: Code 39 Full ASCII.

Variants:

• [Code39 Code 39] is a simpler variant of Code 39 Extended.

Standards: ISO/IEC 16388, ANSI/AIM BC1-1995 USS, BS EN 800.

===Data and Options===

• The data field can consist of any ASCII data
• When the parse option is specified, any instances of ^NNN in the data field are replaced with their equivalent ASCII value, useful for specifying unprintable characters, e.g. ^029 for GS, etc.
• The includecheck option calculates the check digit
• The includecheckintext causes the calculated check digit to appear in the human readable text
• The hidestars option suppresses the asterisks in the human readable text

===Examples===

{{{ 0 0 moveto (Code39 Ext!) (includetext includecheck) /code39ext /uk.co.terryburton.bwipp findresource exec }}}

http://wiki.postscriptbarcode.googlecode.com/git/images/code39ext-1.png

{{{ 0 0 moveto (Code39^029Extended) (parse includecheck) /code39ext /uk.co.terryburton.bwipp findresource exec }}}

http://wiki.postscriptbarcode.googlecode.com/git/images/code39ext-2.png