Hello Guys:
Would like to know how to take an entire system backup.. Here is the entire scenario.. I am working on a system that is AIX RS6000 M80 Server. We have loaded the OS and installed all the patches and then we took an entire system backup. We also verified by restoring the same... (2 Replies)
I want to write a script that tells me if the tape device is ready, if the answer is not yes ($?is not 0) i get an answer that the tape_device is not ready. If the tape is ready i can do a
tar -cvf $tape1 * .
How can i write a script to control if the tapedevice is ready or not?
How can i... (1 Reply)
Friends, while taking backup on /dev/rmt/0cn it is showing device does not exists.
I have checked /dev/rmt 0cn is present there with link file created in /devices/pci@8,700000/scsi@5/st@5,0:cn
I have checked cd /devices/pci@8,700000/scsi@5 but st@5,0:cn is not there. But I found st@3,0:cn.
... (3 Replies)
Hi,
I wrote a simple script to backup of index.php and index.html in my box. So, I wrote a script which take a copy of the index page as 1Mar09: but it does not comes up..
#! /bin/bash
find . -name index.* > domains.txt
for i in `cat domains.txt` ; do cp index* index*.1Mar09 $i; done
But... (6 Replies)
Im working on a shell script that uses three parameters, a string to replace, the string replacing, and a file name.
In this script it makes a back up file before the replacement occurs. However I want to be able to either search the file to see if it has the string and if it doesnt dont create... (5 Replies)
Hi Experts,
When i taking backup of my servers in Tape Library simultaneously the Temp folder is getting full...... these file like OB2DBG*.txt (2 Replies)
Hi Guys,
I'm very new to bash scripting. Please help me on this.
I'm in need of a backup script which does the ff.
1. If a file is larger than 5GB. split it and tar the file.
2. Weekly backup file to amazon s3 using s3rsync
3. If a file is unchanged it doesn't need to copy to amazon s3
... (4 Replies)
Hi ,
I am a newbie!!!
I want to develop a script for deleting files older than x days from multiple paths. Now I could reach upto this piece of code which deletes files older than x days from a particular path. How do I enhance it to have an input from a .txt file or a .dat file? For eg:... (12 Replies)
we want to backup all opened files by vi before editing also with version information. i wrote below alias to backup crontab file content with version info. What i want know is to make this opened files by vi. We want to prevent user mistakes by adding this alias.
alias crontab='DATE=$(date... (4 Replies)
HI,
I want to remove my backup files keeping last 30 days.
Now i am doing it manually.
Does anyone have a script to automate this process?
Thanks in advance (5 Replies)
Discussion started by: ElizabethPJ
5 Replies
LEARN ABOUT PHP
datetime.sub
DATETIME.SUB(3) 1 DATETIME.SUB(3)DateTime::sub - Subtracts an amount of days, months, years, hours, minutes and seconds from a DateTime object
Object oriented style
SYNOPSIS
public DateTime DateTime::sub (DateInterval $interval)
DESCRIPTION
Procedural style
DateTime date_sub (DateTime $object, DateInterval $interval)
Subtracts the specified DateInterval object from the specified DateTime object.
PARAMETERS
o $object
-Procedural style only: A DateTime object returned by date_create(3). The function modifies this object.
o $interval
- A DateInterval object
RETURN VALUES
Returns the DateTime object for method chaining or FALSE on failure.
EXAMPLES
Example #1
DateTime.sub(3) example
Object oriented style
<?php
$date = new DateTime('2000-01-20');
$date->sub(new DateInterval('P10D'));
echo $date->format('Y-m-d') . "
";
?>
Procedural style
<?php
$date = date_create('2000-01-20');
date_sub($date, date_interval_create_from_date_string('10 days'));
echo date_format($date, 'Y-m-d');
?>
The above examples will output:
2000-01-10
Example #2
Further DateTime.sub(3) examples
<?php
$date = new DateTime('2000-01-20');
$date->sub(new DateInterval('PT10H30S'));
echo $date->format('Y-m-d H:i:s') . "
";
$date = new DateTime('2000-01-20');
$date->sub(new DateInterval('P7Y5M4DT4H3M2S'));
echo $date->format('Y-m-d H:i:s') . "
";
?>
The above example will output:
2000-01-19 13:59:30
1992-08-15 19:56:58
Example #3
Beware when subtracting months
<?php
$date = new DateTime('2001-04-30');
$interval = new DateInterval('P1M');
$date->sub($interval);
echo $date->format('Y-m-d') . "
";
$date->sub($interval);
echo $date->format('Y-m-d') . "
";
?>
The above example will output:
2001-03-30
2001-03-02
NOTES DateTime.modify(3) is an alternative when using PHP 5.2.
SEE ALSO DateTime.add(3), DateTime.diff(3), DateTime.modify(3).
PHP Documentation Group DATETIME.SUB(3)