Stop abusing my old CCK / Views calendar, internet! A quick and dirty how-to

It was simply constant.

Mar 6 06:47:35 server1 drupal: http://example.com|1267879655|php|0|216.129.119.40|http://example.com/calendar/4/1/2009/04/20|||Invalid argument supplied for foreach() in /sites/example/www/includes/tablesort.inc on line 187.
Mar 6 06:47:35 server1 drupal: http://example.com|1267879655|php|0|216.129.119.40|http://example.com/calendar/4/1/2009/04/20|||Invalid argument supplied for foreach() in /sites/example/www/includes/theme.inc on line 769.
Mar 6 06:47:49 server1 drupal: http://example.com|1267879669|php|0|209.6.110.26|http://example.com/calendar/4/10|http://example.com/calendar/10/27/1/4||Invalid argument supplied for foreach() in /sites/example/www/includes/tablesort.inc on line 149.

Those three errors over and over and over again. All caused by invalid URLs that i sure as heck couldn't find any way to navigate to. So instead of trying to fix Drupal 5 Views 1 era calendar code, we'll just send the lost bots or extremely lost souls on their way-- to the main calendar page, which has no errors. (Nor do any of the expected calendar/2010/

Inside the mod rewrite directive:

<IfModule mod_rewrite.c>
  RewriteEngine on

Right under the (unused, commented-out) RewriteBase rule:

  RewriteRule ^calendar/([0-9]{1,2})/.+$ /calendar [NC,R=301,L]

And that took care of that clutter in our log!