> Is it possible to save the config.options.var as a real var in the tw
> file, so it can be used next start up?

http://www.TiddlyTools.com/#CookieSaverPlugin

auto-generates a "CookieJar" tiddler, tagged with 'systemConfig'
containing javascript assignment statements of the form:

config.options["chkSomeFlag"]=true; // for checkboxes
config.options["txtSomeText"]="foobar"; // for text input fields

> If not, how could I keep the value, maybe just replacing it in the
> code on the line were undefined is tested ?

In general, you can hand-edit the following code into a tiddler tagged
with systemConfig (e.g., the aforementioned [[CookieJar]]):

if (config.options["chkSomeFlag"]===undefined)
   config.options["chkSomeFlag"]=true;  // or false

if (config.options["txtSomeFlag"]===undefined)
   config.options["txtSomeFlag"]="foobar";

The above usage applies a 'hard-coded' value to an option setting only
if a cookie-based value is was not already set.  If you want to always
use a fixed-value setting, then simply remove the conditional checks
so that the assignments are always performed at startup, regardless of
any stored cookie that may or may not be defined.

re: AutoNumberPlugin... you might want to check out
   http://www.TiddlyTools.com/#CopyTiddlerPlugin
which replicates any existing tiddler, automatically finding the 'next
available number' to append to the new tiddler's title (to avoid
collision with the existing tiddler)..

enjoy,
-e
Eric Shulman
TiddlyTools / ELS Design Studios
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