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Full Discussion: comparing two dates.
Top Forums UNIX for Dummies Questions & Answers comparing two dates. Post 302333401 by intiraju on Monday 13th of July 2009 02:36:36 AM
Old 07-13-2009
Quote:
Originally Posted by fpmurphy
Code:
#!/bin/ksh93
 
date1="01/10/2009"
date2="06/10/2009"
 
if (( $(printf "%(%s)T" "$date1") > $(printf "%(%s)T" "$date2") ))
then
    echo "date1 is after date2"
else
    echo "date1 is not after date2"
fi


Thanks for you answer fpmurphy.

You code is working but i got little problem.
The printf command is not working for the T. So i have modified your command littel bit. See the command i have modified.

if (( $(printf "%s" "$toed") < $(printf "%s" "$shud") ))

toed and shud are the two variables which contains only date in the format 07/12/2009 and its working for date.
now i am storing two time values in the format 22:02:53. now i need to compare the times also. how do i full fill it.

Thanks in advance
Raju
 

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DATETIME.SETISODATE(3)							 1						    DATETIME.SETISODATE(3)

DateTime::setISODate - Sets the ISO date

       Object oriented style

SYNOPSIS
public DateTime DateTime::setISODate (int $year, int $week, [int $day = 1]) DESCRIPTION
Procedural style DateTime date_isodate_set (DateTime $object, int $year, int $week, [int $day = 1]) Set a date according to the ISO 8601 standard - using weeks and day offsets rather than specific dates. PARAMETERS
o $object -Procedural style only: A DateTime object returned by date_create(3). The function modifies this object. o $year - Year of the date. o $week - Week of the date. o $day - Offset from the first day of the week. RETURN VALUES
Returns the DateTime object for method chaining or FALSE on failure. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.0 | | | | | | | Changed the return value on success from NULL to | | | DateTime. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 DateTime.setISODate(3) example Object oriented style <?php $date = new DateTime(); $date->setISODate(2008, 2); echo $date->format('Y-m-d') . " "; $date->setISODate(2008, 2, 7); echo $date->format('Y-m-d') . " "; ?> Procedural style <?php $date = date_create(); date_isodate_set($date, 2008, 2); echo date_format($date, 'Y-m-d') . " "; date_isodate_set($date, 2008, 2, 7); echo date_format($date, 'Y-m-d') . " "; ?> The above examples will output: 2008-01-07 2008-01-13 Example #2 Values exceeding ranges are added to their parent values <?php $date = new DateTime(); $date->setISODate(2008, 2, 7); echo $date->format('Y-m-d') . " "; $date->setISODate(2008, 2, 8); echo $date->format('Y-m-d') . " "; $date->setISODate(2008, 53, 7); echo $date->format('Y-m-d') . " "; ?> The above example will output: 2008-01-13 2008-01-14 2009-01-04 Example #3 Finding the month a week is in <?php $date = new DateTime(); $date->setISODate(2008, 14); echo $date->format('n'); ?> The above examples will output: 3 SEE ALSO
DateTime.setDate(3), DateTime.setTime(3). PHP Documentation Group DATETIME.SETISODATE(3)
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