field delimiter

one, MySQL installationInstall MySQL under CentOS Please open: http://www.centoscn.com/CentosServer/sql/2013/0817/1285.htmlIi. several important directories of MySQLMySQL installation is not as if SQL Server is installed by default in a directory,

1) grep text filterSyntax: grep [options] mode or keyword file list--clolor color display matches to the keyword-I ignores case-V Take reverse^ Start with a keyword$ ends with a keyword^$ Empty LineThe number of rows to which the-C statistic matches-

A Shell introduction: 1 descriptionThe shell is a program written in C that is a bridge for users to use Linux. The shell is both a command language and a programming language.A Shell is an application that provides an interface through which users

On the text processing tools of Linuxawk, boss."Feature description"Language for text processing (row, filter), support for regularNR represents the number of rows, $n take a column, $NF the last columnNr==20,nr==30 from 20 rows to 30 rowsFS

One, the basic Bash Shell command 1, the default bash shell prompt is the dollar sign ($); 2. The Bash manual uses the man command to access the manual pages stored on the Linux system, such as: Bogon:~ mac$ man Kill KILL (1) BSD

3. Basic Commands-2Basic Commands-2Compression and archivingPack: Archive, similar to pack before travelCompression: To reduce the amount of disk space used, backup can be done to save network bandwidth when transferring over the network.Packaged

Awk is a programming tool that has complete syntax and commands. In bash, awk is more used to work with column content (I think so, for reference only)Execution logic of the AWK programFirst read the text content into memory, according to the field

ASP. net mvc implements the instrumentation program, asp. netmvc implements the instrumentation In most cases, our Web programs not only need to provide users with specific data, but in some cases, we also need to provide advanced users or managers

Cause: Recently, google's awk tutorials go to a beginner awk series on IBM developerworks, written by Daniel Robbins, founder of Gentoo Linux many years ago. I think it is quite good, but the Chinese version on developerworks is short of a few

Csharp: datagridview Convert csv file, csharpdatagridview /// // save the file // tu juwen // 2014-08-29 // Geovin Du /// /// // public static void DataGridViewToCsV (datagridgdgv, string filename) {string stOutput = ""; // Export titles:

Small issues encountered when writing csv files using the phpfputcsv command (multi-dimensional array connector ). Command: fputcsv () command format: intfputcsv (resourcehandle [, arrayfields [, stringdelimiter [, stringenclosure]) command parsing:

ImportingXML, CSV, Text, andMSExcelFilesintoMySQL My most recent articles, Importing XML Data into MySQL Tables Using a Stored ProcedureandEnhance Your MySQL XML Import Procedures using Prepared Statements, stored ed how capable stored procedures

The first thing you need to do is to make sure that xp_cmdshell is available. You can choose one of the following two methods to achieve this. 1. You can use sp_configure and execute the following script. EXEC master.dbo.sp_configure 'show

Author: snail IlAbstract: You have no patience to read all the following content, because the conclusion is nothing more than the following two points:1. Use cronolog to clean and securely track apache logs2. Merge and sort multiple logs with sort-m

Mysql record copy Import and Export copy record lower case-insensitive function password encryption function www.2cto.com create table employee> create table employee (id int, name char (10), agi int, sex enum ('M', 'F'), department char (10);>

Mysql outfile infile import and export data export [plain] SELECT * into outfile '/tmp/jason.txt 'fields TERMINATED by', 'From test. jason; or [plain] SELECT * into outfile '/tmp/jason1.txt' fields terminated by ', 'optionally enclosed by' "'Lines

Mysql outfile infile import and export data (append mysqldump) Export [plain] SELECT * into outfile '/tmp/jason.txt 'fields TERMINATED by', 'From test. jason; or [plain] SELECT * into outfile '/tmp/jason1.txt' fields terminated by ', 'optionally

Sort commandThe sort command is very useful in Linux, which sorts the files and outputs the sort results standard. The sort command can get input from either a specific file or from stdin.GrammarSort (options) (parameters)Options-B: Ignores the

Commonly used PHP to read excel in the following three ways, each has its own advantages and disadvantages. A third method is recommended because it can be used across platforms. 1. Read in. csv format Converting. xls to a. csv text format, and

Mysql record copy import and export bitsCN.com Mysql record copy import and export Copy record Lower case-insensitive function Password encryption function Create table employee > Create table employee (id int, name char (10), agi int, sex enum