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所在平台: Udemy |
课程主页: https://www.udemy.com/course/searching-in-linux-regular-expressions-for-beginners/
课程评论：没有评论
课程名称：Linux中的搜索：初学者的正则表达式 概述：您想掌握正则表达式吗？想通过Linux命令行根据文件名、拥有者、权限或大小来搜索文件吗？想对特定类型的文件执行操作吗？本课程将教您如何实现这些目标。课程首先介绍命令行基础，目录的更改和列出，通配符，以及文件和目录权限。即使您是经验丰富的Linux用户，您也可能从这些讲座中学到一些有趣的知识。接下来，课程将讲解find命令所支持的选项、表达式和操作。您将能够找到特定用户拥有的文件，并且超出或低于特定大小。您还可以使用单个命令对特定文件执行特定操作（例如，根据文件类型创建多个档案）。此外，还将教授locate命令及其相对于find的优缺点。 课程的第三部分将专注于grep和正则表达式。我将帮助您迈出学习正则表达式的第一步。这是一种非常强大的模式匹配工具。您将能够将其与grep结合使用，以选择文件中特定的行或从标准输入接收到的流。通过大量示例，您将理解正则表达式的元字符的实际含义，以及如何使用它们匹配字符串。
Do you want to master regular expressions? Would you like to be able to search for files from the Linux command line based on their name, owner, permission or size? Do you want to be able to perform an action on any file of a specific type? Take this course and find out how.This course will first take you through the basics of command line, changing and listing directories, wildcards, file and directory permissions. Even if you are an experienced Linux user, you might learn some interesting things from these lectures. After this, you will go through the options, expressions and actions that are supported by the find command. You will be able to find files that, for instance, are owned by a particular user and exceed, or are under, a specific size. Or, you will be to do specific actions on specific files at the same time with only one command (e.g. create multiple archives based on the file types). I will also teach you about the locate command and its advantages and disadvantages over find.The third section is about grep and regular expressions. I will help you take your first steps in learning regular expressions. They are a very powerful pattern matching tool. You will be able to use them together with grep to select particular lines inside files or on streams received at the standard input. You will see plenty of examples to understand what the metacharacters of regular expressions actually mean and how to use them to match strings.
