On Tue, 28 Jul 2009, Paul Grinberg wrote:

Shell script for Solaris....It can go future as long as I want, but past
only 6 days....

http://www.isrcomputing.com/index.php?option=com_content&view=article&id=125:unix-shell-script-to-calculate-date-in-the-future-and-in-the-past&catid=38:technology-tips&Itemid=82

That script is using (/abusing) TZ beyond its stated purpose. As Bob suggests, GNU date can perform date calculations with relative offsets, e.g.

$ date -d 'now + 12 days'
Mon Aug 10 00:55:32 BST 2009


Cheers,
Phil



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