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Full Discussion: Obtaining day before a given date
Top Forums Shell Programming and Scripting Obtaining day before a given date Post 302376002 by muay_tb on Monday 30th of November 2009 10:26:43 AM
Old 11-30-2009
Quote:
Originally Posted by aigles
Code:
$ date -d '2007-09-09 1 day ago' +'%F'
2007-09-08
$

Jean-Pierre.
Thanks Jean-Pierre but i am afraid i cannot use the -d option.

I get the following:

date: illegal option -- d
usage: date [-u] mmddHHMM[[cc]yy][.SS]
date [-u] [+format]
date -a [-]sss[.fff]
 

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LEARN ABOUT MOJAVE

conjunct

CONJUNCT(1)						      General Commands Manual						       CONJUNCT(1)

NAME

       conjunct - find dates of equinox or new or full moon

SYNOPSIS

       conjunct [options]

DESCRIPTION

       conjunct  searches  for	one of these events: spring equinox (default), summer solstice, autumn equinox, winter solstice, new moon, or full
       moon.

OPTIONS

       -s, --start date
	      Set starting date (default is current date).  The date may be either a Julian day number (e.g. 2454180.0 for noon, 2007 March 20) or
	      an ISO 8601 date (e.g. 2007-03-20).

       -e, --end date
	      Set ending date (default is one year from now).

       -V, --vernal, --spring
	      Search for spring equinox (default).

       -S, --summer
	      Search for summer solstice.

       -A, --autumn, --fall
	      Search for autumn equinox.

       -W, --winter
	      Search for winter solstice.

       -N, --newmoon
	      Search for new moon.

       -F, --fullmoon
	      Search for full moon.

       -h, --help
	      Show summary of options.

SEE ALSO

       aa(1).

AUTHOR

       conjunct was written by Stephen L. Moshier <steve@moshier.net>.

       This manual page was written by James R. Van Zandt <jrv@debian.org>, for the Debian project (but may be used by others).

								  August 24, 2006						       CONJUNCT(1)
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