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This article is reproduced from Ruan Yifeng's Weblog awk tutorial awk is an application for processing text files. Almost all Linux systems come with this program. It processes each line of the file in turn and reads each field in it. awk may be the most convenient tool for text files with the same format per line, such as logs and CSV. aw ...

Reference address: Introduction to awk awk is an application for processing text files. Almost all Linux systems come with this program. It processes each line of the file in turn and reads each field in it. awk may be the most convenient tool for text files with the same format per line, such as logs and CSV. 1. Basic usage The basic ...

awk is also a great data processing tool. awk is used to intercept qualified columns. Awk is much more powerful than cut; It can even be called awk programming. awk command Format: awk 'Condition 1{Action 1} Condition 2{Action 2} ...' filename meaning: awk is followed by single quotation marks. There will be multiple conditions ...

Linux awk command details 1, awk working principle Read the text line by line. By default, the text is separated by a space or tab key. Save the separated fields to the built-in variable, and execute the editing command according to the mode or condition. The sed command is often used to process a whole line, while awk prefers to divide a l ...

Linux three swordsmen awk awk description awk - pattern scanning and processing language； awk is gawk, which is more like a language and is very powerful in file processing; awk can customize variables, functions, loops, conditional statements, etc; awk judges and processes data line by line; awk usage awk command syntax Precedin ...

awk advanced command 1. Introduction to awk AWK is one of the GNU projects, which is based on the improvement of the AWK program language on early unix, so the AWK we use on CentOS is actually called gawk. The authors of AWK: Aho, Kernighan, Weinberger. AWK is named after the initials of these three people. Because people used to use AWK ...