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Top Forums Shell Programming and Scripting Change date time stamp of existing file Post 302978255 by RavinderSingh13 on Thursday 28th of July 2016 06:10:20 AM
Old 07-28-2016
Quote:
Originally Posted by mohtashims
I m not looking for a static but a dynamic solution.
The date should change one week prior for any given file on any given day.
Hello mohtashims,

If you have GNU datein your system then following may help you in same.
Let's say we have following Input_file(as an example).
Code:
ls -ld   Input_file
-rw-rw-r-- 1 Singh_is_King   Singh_is_King  100 Jul 27 10:51  Input_file

Then following is the command for changing the timings.
Code:
touch -t $(date -d"1 week ago" +%y%m%d%H%M)   Input_file

Now after executing above command, when you check the Input_file details they will be as follows.
Code:
ls -ld   Input_file
-rw-rw-r-- 1 Singh_is_King   Singh_is_King  100 Jul 21 06:07  Input_file

Thanks,
R. Singh

Last edited by RavinderSingh13; 07-28-2016 at 07:15 AM..
 

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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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