I am a novice Unix scripter and need a little advice/help on a script I've written that's causing some problems. We are using Solaris 9 on a Sun box and the script is invoked with the korn shell. I have a two-part question: I wrote a shell script that calls and executes 3 separate sql scripts,... (3 Replies)
hi ,
i need to run a parallel program .
for example;
program1
{
array=" the second program should called here : program 2"
the execution should continue
}
the 2nd program should recieve an array of information as argument and it should... (4 Replies)
Hi,
Iam having the scripts as follows. i jus want to run those in parallel.
main aim is to minimise the time for overall execution of the script.
now out.txt is having 1 lac records.
script1(split.sh)
split -1000 out.txt splitout
ls -A splitout* > filelist.txt
cat filelist.txt... (6 Replies)
Hi All,
I have 3 shell scripts, Script1,Script2 and Script3. Now I want to run Script1 and Script2 in parallel and Script3 should depend on successful completion of both Script1 and Script2.
Could you please suggest an approach of acheiving this...
Thanks in advance (2 Replies)
I need to process 50 sqlplus scripts which are listed in a text file. I need to develop a shell script that'll read this file and run these sqlplus scripts. At any point of time, the number of sqlplus scripts running shouldn't exceed 6. If any of the sqlplus scripts completes successfully then... (17 Replies)
Hi
I want to execute few scripts in Parallel. There is a Master Script (MS.ksh) which will call internally all the scripts we need to run in Parallel. Say there are three set of scripts :
ABC_1.ksh --> ABC_2.ksh --> ABC_3.ksh (execute ABC_2 when ABC_1 is successful ; Execute ABC_3 only when... (6 Replies)
Dear Members,
I have an variable by name dir.If i do echo $dir i will get the path (/usr/bin/).
I am writing a shell script which will prompt to enter the variable name if run.Suppose the script name is test.sh.
If run test.sh it will prompt for entering variable name which is dir.Suppose... (9 Replies)
i have script A and script B, both scripts have to run in parallel, my requirement is script A create table temp1, post creating it will run fr 4 hrs , script B has to start 0nly after creation of table temp1 ( which is done by script A) , again script B will run for 5 hrs
if i run sequencially... (7 Replies)
Hi
I probably dont have GNU extended sed in my SUNOS . and its creating lot of problems
ex:
a simple sed command like this is not working
sed '/WORD/ a\
sample text line 1 \
sample text line 1
' filename
sed: command garbled: /WORD/ a
I took precaution to have a new line after... (11 Replies)
Need some help to replace bash script with parallel to speed up job on multiple files (400files.list is the file contains the absolute path to those 400 files). The bash script is to run the same program over the files repetitively.
My bash_script.sh is:
for sample in `cat 400files.list`; do... (3 Replies)
Discussion started by: yifangt
3 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)