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Full Discussion: Translate decimal into date
Top Forums Shell Programming and Scripting Translate decimal into date Post 302341270 by fpmurphy on Wednesday 5th of August 2009 11:54:43 AM
Old 08-05-2009
Gio001, ksh88 is a very old version of the Korn Shell. If you upgrade to ksh93, it has excellent build-in date arithmetic support amongst other major enhancements.

To use Aigles example where the DOY is 217.
Code:
$ printf "%(%D)T\n" 217
08/05/09

His output is in DD/MM/YY format. Mine, since I am in North America is in MM/DD/YY format.
 

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PLTIMEFMT(3plplot)						    PLplot API							PLTIMEFMT(3plplot)

NAME
pltimefmt - Set format for date / time labels SYNOPSIS
pltimefmt(fmt) DESCRIPTION
Sets the format for date / time labels. To enable date / time format labels see the options to plbox(3plplot) and plenv(3plplot). Redacted form: pltimefmt(fmt) This function is used in example 29. ARGUMENTS
fmt (const char *, fmt) This string is passed directly to the system strftime. See the system documentation for a full list of conversion specifications for your system. All conversion specifications take the form of a '%' character followed by further conversion specification character. All other text is printed as-is. Common options include: %c: The preferred date and time representation for the current locale. %d: The day of the month as a decimal number. %H: The hour as a decimal number using a 24-hour clock. %j: The day of the year as a decimal number. %m: The month as a decimal number. %M: The minute as a decimal number. %S: The second as a decimal number. %y: The year as a decimal number without a century. %Y: The year as a decimal number including a century. AUTHORS
Geoffrey Furnish and Maurice LeBrun wrote and maintain PLplot. This man page was automatically generated from the DocBook source of the PLplot documentation, maintained by Alan W. Irwin and Rafael Laboissiere. SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/resources. August, 2012 PLTIMEFMT(3plplot)

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