Hi,
I have two time series data (below) merged into a file.
t1 and t2 are in unit of second
I want to calculate the average of V1 every second and count how many times "1" in V2 is occur within a second
Input File:
t1 V1 t2 V2
10.000000... (5 Replies)
This might be a silly question but I was wondering if, in case of huge files (2-3GB), it is more efficient to map the whole file at once, or to map it page by page.
The file has to be processed sequentially from the start to the end.
Thanks. (12 Replies)
Hi
I need to parse the file of same name which exist on different servers and calculate the count of string existed in both files.
Say a file abc.log exist on 2 servers.
I want to search for string "test" on both files and calculate the total count of search string's existence.
For... (6 Replies)
Hi,
I am trying to grep a particular string from the files of 2 different servers without copying and calculate the total count of its occurence on both files.
File structure is same on both servers and for reference as follows:
27-Aug-2010... (4 Replies)
Hello,
I'm trying to create a shell script (#!/bin/sh) which should tell me the age of a file in minutes...
I have a process, which delivers me all 15 minutes a new file and I want to have a monitoring script, which sends me an email, if the present file is older than 20 minutes.
To do... (10 Replies)
Hello,
I do not know if this is the right title to use. I have a large dictionary database which has the following structure:
where a b c d e are in English and p q r s t are in a target language., the two separated by the delimiter =.
What I am looking for is a perl script which will take... (5 Replies)
Hello,
I have a special problem. I have a file in 8 bit and would like to convert the whole database to 16Bit unicode.
The mapping file has the following structure:
The mapper is provided as a zip file
The target file to be converted contains data in English and 8 bit Urdu mapping, a... (4 Replies)
I have an application desigend in PHP and MySQl running on apache web server that I is running on a Amazon EC2 server Centos. I want to implement the master-master and master slave replication and high availability disaster recovery on this application database.
For this I have created two... (0 Replies)
i have a real data prod file with 80+ fields containing 1k -2k records. i have to extract say 12 columns out of this which are sensitive fields along with one primary key say SEQ_ID (like DOB,account no, name, SEQ_ID, govtid etc) in a lookup file. i have to replace these sensitive fields in... (11 Replies)
Discussion started by: megh12
11 Replies
LEARN ABOUT PHP
datetimeimmutable.format
DATETIMEIMMUTABLE.FORMAT(3) 1 DATETIMEIMMUTABLE.FORMAT(3)DateTime::format - Returns date formatted according to given format
Object oriented style
SYNOPSIS
public string DateTime::format (string $format)
DESCRIPTION
string DateTimeImmutable::format (string $format) string DateTimeInterface::format (string $format)
Procedural style
string date_format (DateTimeInterface $object, string $format)
Returns date formatted according to given format.
PARAMETERS
o $object
-Procedural style only: A DateTime object returned by date_create(3)
o $format
- Format accepted by date(3).
RETURN VALUES
Returns the formatted date string on success or FALSE on failure.
EXAMPLES
Example #1
DateTimeImmutable.format(3) example
Object oriented style
<?php
$date = new DateTime('2000-01-01');
echo $date->format('Y-m-d H:i:s');
?>
Procedural style
<?php
$date = date_create('2000-01-01');
echo date_format($date, 'Y-m-d H:i:s');
?>
The above example will output:
2000-01-01 00:00:00
NOTES
This method does not use locales. All output is in English.
SEE ALSO date(3).
PHP Documentation Group DATETIMEIMMUTABLE.FORMAT(3)