Is there any way to have an “increment” field - a custom field in a weblog that holds a numeric value and automatically increments for each entry? The Entry ID is kinda what I’m looking for, except I need the values to be unique only to that weblog, not to the entire site (i.e. Weblog ABC could have entries with “increment” field values of 1, 2, and 3, and Weblog XYZ could also have entries with the “increment” field having values of 1, 2, and 3).
The reason for this is because I want to have a weblog for registering teams at a competition, where the team number will be automatically generated upon registration. Worst-case scenario, I could use the Entry ID as the Team ID, but I’d rather start from 1, not from 643 (or however many entries are already posted to the site).
Is there any way to do this?