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perl -e 'use POSIX 'strftime'; $_n_days_ago = strftime("%d", gmtime( t +ime-$DAY_AGO*86400 )); print "$_n_days_ago\n"'
# If the current date/time was "9/17/2012 12:00:00".... # (i.e. time is in 24-Hour format) ... "30, 40, 02, 15, 09, 2012" Which in date format is = "9/15/2012 02:40:30"