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This article is to share with you about the example analysis specified by Ubuntu Pattern regular expression matching, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

Ubuntu Pattern has been widely used but is also constantly updated. Here is an introduction to the use of Ubuntu Pattern installation settings to help you install and update Ubuntu Pattern systems. Selecting the record Ubuntu Pattern {Action} that meets the specified criteria is the most important syntax in awk. If the value of a Ubuntu Pattern is true, then execute the Action behind it. Relational expressions (Relational Expression) are often used in awk as Ubuntu Pattern.

Except for > in awk

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