Using the awk command

Using the awk command 1. What is awk AWK, a data filtering tool (similar to grep and more powerful than grep), is a data processing engine. It checks the input text based on pattern matching, processes and outputs it line by line. It is usually used in Shell scripts to obtain the specified data. When used alone, it can make statistics on text ...

Added by WeddingLink on Wed, 22 Sep 2021 04:55:45 +0300

awk advanced usage

awk 1, Introduction AWK is a language for processing text files and a powerful text analysis tool. AWK is called because it takes the first character of the Family Name of the three founders Alfred Aho, Peter Weinberger, and Brian Kernighan. 2, Basic grammar //awk [options] 'script command' file name awk [Option parameters] 'script' va ...

Added by scriptkiddie on Tue, 21 Sep 2021 11:41:10 +0300

if branch structure and for cycle knowledge combing on September 16

September 16 I. if Branch Structure 1. Process Control--Three Structures 1) Sequential structure (default) Default sequential structure for program execution Code executes from top to bottom, each code executes only once 2) Branch structure (if) You can choose to execute a section of code (if) depending on whether the ...

Added by 2DaysAway on Fri, 17 Sep 2021 07:30:16 +0300