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Full Discussion: [Solved] Previous Year Date
Top Forums UNIX for Dummies Questions & Answers [Solved] Previous Year Date Post 302797565 by fpmurphy on Monday 22nd of April 2013 08:52:59 PM
Old 04-22-2013
Code:
#!/bin/ksh93

$ date="20130422"
$ printf "%(%Y%m%d)T\n" "$date 12 months ago"

Produces 20120422
 

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tartdates(5)						      LinuxTaRT Special Dates						      tartdates(5)

NAME
tartdates - Special date configuration for LinuxTaRT DESCRIPTION
LinuxTaRT uses a configuration file called specialdates to enable the user to display a specific tagline on certain special dates. The name and location of this file is specified in the LinuxTaRT configuration file ~/.tartrc, but is usually: ~/.tartdates PARAMETERS
Each line of the special date file consists of a day of the year expressed as a two digit month, a forward-slash (/), a two digit date, a colon (:) and a line of text. mm/dd:tagline text Any line that does not conform to this specification will be treated as a comment. Comments may also be specified by prefixing text with a # symbol. Using this method, you can place a comment behind a date line. EXAMPLES
01/01:Happy New Year!! Will use "Happy New Year!!" as the tagline when the date is January 1st. 12/25:Merry Christmas to all! Displays "Merry Christmas to all!" as your tagline on Christmas day. FILES
~/.tartdates SEE ALSO
tart(1) tartrc(5) tart-custom(5) Mark Veinot 1.0.0 tartdates(5)
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