This doesn't really answer your question, so... Use Python! I too used to use DTML for task such as this. After investing a few hours into using python scripts, I find them much simpler, easier to debug, and (much) easier to reuse. Scott -----Original Message----- From: hpinson@indepthl.com [mailto:hpinson@indepthl.com] Sent: Tuesday, October 14, 2003 8:21 AM To: zope@zope.org Subject: [Zope] sequence-number math In DTML, does anyone know how to perform math on a dtml-in sequence- number attribute. For example sequence-number == sequence-number - 1 Thanks! Harlow Pinson Indepth Learning Email: hpinson@indepthl.com Web: http://www.indepthl.com Voice: 505-994-2135 FAX: 208-475-7678 _______________________________________________ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev ) The information contained in this email message may be privileged and is confidential information intended only for the use of the recipient or any employee or agent responsible for delivering it to the intended recipient. Any unauthorized use, distribution or copying of this information is strictly prohibited and may be unlawful. If you have received this communication in error, please notify the sender immediately and destroy the original message and all attachments from your electronic files.