15 18 22-28 * 2 /command
I thought the last tuesday would be covered by above.
But it has run everyday since 22nd.
Have googled a bit:
http://hintsforums.macworld.com/showthread.php?t=25110
plus other crontab pages.
http://hintsforums.macworld.com/member.php?s=2584787478dc5ab0791da9ba8d65...
15 18 22-28 * * test 'date +\%a' != Tue || /command
Am uncertain if above would work ootb.
man crontab (22 September 2010) doesn't shed light on this.
--
Regards,
Frank
"Jack of all, fubars"