用的最多的就是微软官方自带的cmd命令窗口了，我们通过敲命令行窗口可以实现和操作系统之间的交互。当然随着微软技术的快速发展，到了目前比较流行的Win10操作系统，默认采用的就是PowerShell命令行交互工具了，今天小编就来给大家介绍Powershell相关的知识，希望对大家学习能带来一些帮助！
switch [-Regex | -Wildcard | -Exact] [-CaseSensitive] -File filename { string | number | variable | { <value-scriptblock> } { <action-scriptblock> } default { <action-scriptblock> } # optional } 如果不使用参数,switch的行为与使用Exact参数的行为相同。 它针对值执行不区分大小写的匹配。
You can use this variable to represent False in commands and scripts instead of using the string "false". The string can be interpreted as True if it's converted to a non-empty string or to a non-zero integer. $foreach Contains the enumerator (not the resulting values) of a foreach ...
But if you need to determine whether a variable is $null, you must put $null on the left-hand side of the equality operator. Putting it on the right-hand side doesn't do what you expect. For example, let $a be an array containing null elements: PowerShell Copy $a = 1, 2, $...
We try to cast it as an integer using[int]. However, since the string"storage"cannot be converted to an integer, PowerShell does not change the type of the variable and returns an error message"Input string was not in a correct format.". ...
In Windows PowerShell, variable names always start with a dollar sign ($) and can contain a mix of letters, numbers, symbols, or even spaces (though if you use spaces, you need to enclose the variable in braces, such as ${My Variable} = "Hello"). This example created a new variable...
token: keyword variable command command-parameter command-argument-token integer-literal real-literal string-literal type-literal operator-or-punctuator 描述:權杖 是PowerShell 語言內的最小詞法元素。您可以使用 新行、批註、空白字元或任何組合來分隔權杖。2.3...
在Linux操作系统中，可以使用各种命令和工具来处理和转换文本文件。当需要将以逗号分隔的CSV文件转换为以...
Value is the property value to search for. Enclose text values and variables in single quotation marks ('Value'or'$Variable'). If a variable value contains single quotation marks, you need to identify (escape) the single quotation marks to expand the variable correctly. For example, instead ...
Cyril Kardashevsky I enjoy technology and developing websites. Since 2012 I'm running a few of my own websites, and share useful content on gadgets, PC administration and website promotion. previous post How to Generate User Last Login Report in Office 365 ...