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Top Forums Shell Programming and Scripting ls -ltr malfunctioning inside the k-shell script Post 302320880 by methyl on Friday 29th of May 2009 08:11:21 AM
Old 05-29-2009
You are changing $TZ at the start of the script which affects the display from "ls".

For example:

Code:
TZ=GMT0BST
ls -lad abc29
-rw-r--r--   1 root       sys              0 May 29 12:59 abc29

TZ=GMT6BST
ls -lad abc29
-rw-r--r--   1 root       sys              0 May 29 06:59 abc29


What is in your system's /etc/TIMEZONE ? If you don't have that file, what is TZ set to normally?

The following technique only temporarily changes TZ and will not affect commands later in the script. For timezones other than UK the offset to get yesterday or tomorrow is relative to your normal offset. Notice that I also state the daylight saving time to match my /etc/TIMEZONE .

Code:
echo "Yesterday : $(TZ=GMT24BST;date)"
echo "Today     : $(date)"
echo "Tomorrow  : $(TZ=GMT-24BST;date)"


Last edited by methyl; 05-29-2009 at 09:36 AM.. Reason: Added example technique
 

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DATETIME.SETTIME(3)							 1						       DATETIME.SETTIME(3)

DateTime::setTime - Sets the time

       Object oriented style

SYNOPSIS
public DateTime DateTime::setTime (int $hour, int $minute, [int $second]) DESCRIPTION
Procedural style DateTime date_time_set (DateTime $object, int $hour, int $minute, [int $second]) Resets the current time of the DateTime object to a different time. PARAMETERS
o $object -Procedural style only: A DateTime object returned by date_create(3). The function modifies this object. o $hour - Hour of the time. o $minute - Minute of the time. o $second - Second of the time. 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.setTime(3) example Object oriented style <?php $date = new DateTime('2001-01-01'); $date->setTime(14, 55); echo $date->format('Y-m-d H:i:s') . " "; $date->setTime(14, 55, 24); echo $date->format('Y-m-d H:i:s') . " "; ?> Procedural style <?php $date = date_create('2001-01-01'); date_time_set($date, 14, 55); echo date_format($date, 'Y-m-d H:i:s') . " "; date_time_set($date, 14, 55, 24); echo date_format($date, 'Y-m-d H:i:s') . " "; ?> The above examples will output something similar to: 2001-01-01 14:55:00 2001-01-01 14:55:24 Example #2 Values exceeding ranges are added to their parent values <?php $date = new DateTime('2001-01-01'); $date->setTime(14, 55, 24); echo $date->format('Y-m-d H:i:s') . " "; $date->setTime(14, 55, 65); echo $date->format('Y-m-d H:i:s') . " "; $date->setTime(14, 65, 24); echo $date->format('Y-m-d H:i:s') . " "; $date->setTime(25, 55, 24); echo $date->format('Y-m-d H:i:s') . " "; ?> The above example will output: 2001-01-01 14:55:24 2001-01-01 14:56:05 2001-01-01 15:05:24 2001-01-02 01:55:24 SEE ALSO
DateTime.setDate(3), DateTime.setISODate(3). PHP Documentation Group DATETIME.SETTIME(3)
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