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Full Discussion: Date Comparison
Top Forums Shell Programming and Scripting Date Comparison Post 302839051 by nmpaixao on Wednesday 31st of July 2013 09:17:20 AM
Old 07-31-2013
Convert the dates to YYYYMMDD first...

Code:
#! /bin/sh

olddate="21/07/2013"
newdate="22/07/2013"

# Change date string to yyyymmdd format...
olddate=`echo $olddate | awk -F"/" '{printf "%0.4d%0.2d%0.2d\n",$3,$2,$1}'`
newdate=`echo $newdate | awk -F"/" '{printf "%0.4d%0.2d%0.2d\n",$3,$2,$1}'`

if [ `date -d $olddate '+%s'` -gt `date -d $newdate '+%s'` ];then
  echo "olddate"
else
  echo "newdate"
fi

 

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DATEFMT_FORMAT_OBJECT(3)						 1						  DATEFMT_FORMAT_OBJECT(3)

IntlDateFormatter::formatObject - Formats an object

	Object oriented style

SYNOPSIS
publicstatic string IntlDateFormatter::formatObject (object $object, [mixed $format = NULL], [string $locale = NULL]) DESCRIPTION
Procedural style string datefmt_format_object (object $object, [mixed $format = NULL], [string $locale = NULL]) This function allows formatting an IntlCalendar or DateTime object without first explicitly creating a IntlDateFormatter object. The temporary IntlDateFormatter that will be created will take the timezone from the passed in object. The timezone database bundled with PHP will not be used - ICU's will be used instead. The timezone identifier used in DateTime objects must therefore also exist in ICU's database. PARAMETERS
o $object - An object of type IntlCalendar or DateTime. The timezone information in the object will be used. o $format - How to format the date/time. This can either be an array with two elements (first the date style, then the time style, these being one of the constants IntlDateFormatter::NONE, IntlDateFormatter::SHORT, IntlDateFormatter::MEDIUM, IntlDateFormatter::LONG, IntlDateFormatter::FULL), a long with the value of one of these constants (in which case it will be used both for the time and the date) or a string with the format described in the ICU documentation. If NULL, the default style will be used. o $locale - The locale to use, or NULL to use the default one. RETURN VALUES
A string with result or FALSE on failure. EXAMPLES
Example #1 datefmt_format_object(3) examples <?php /* default timezone is irrelevant; timezone taken from the object */ ini_set('date.timezone', 'UTC'); /* default locale is taken from this ini setting */ ini_set('intl.default_locale', 'fr_FR'); $cal = IntlCalendar::fromDateTime("2013-06-06 17:05:06 Europe/Dublin"); echo "default: ", IntlDateFormatter::formatObject($cal), " "; echo "long $format (full): ", IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), " "; echo "array $format (none, full): ", IntlDateFormatter::formatObject($cal, array( IntlDateFormatter::NONE, IntlDateFormatter::FULL)), " "; echo "string $format (d 'of' MMMM y): ", IntlDateFormatter::formatObject($cal, "d 'of' MMMM y", 'en_US'), " "; echo "with DateTime: ", IntlDateFormatter::formatObject( new DateTime("2013-09-09 09:09:09 Europe/Madrid"), IntlDateFormatter::FULL, 'es_ES'), " "; The above example will output: default: 6 juin 2013 17:05:06 long $format (full): jeudi 6 juin 2013 17:05:06 heure d'ete irlandaise array $format (none, full): 17:05:06 heure d'ete irlandaise string $format (d 'of' MMMM y): 6 of June 2013 with DateTime: lunes, 9 de septiembre de 2013 09:09:09 Hora de verano de Europa central PHP Documentation Group DATEFMT_FORMAT_OBJECT(3)
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