PS> $hash['three'] 3 PS> $hash[2] two In this example, the key value 2 isn't an index into the collection of values. It's the value of the key in the key-value pair. You can prove this by indexing into the collection of values. PowerShell Copy PS> ([array]$hash.Values...
在Windows PowerShell 脚本中定义哈希表已完成 100 XP 5 分钟 哈希表表示与数组类似的概念,因为它存储多个项。 但不同于数组使用索引号来确定每项,哈希表使用唯一键来实现这一点。 键是一个字符串,它是项的唯一标识符。 哈希表中的每个键都与值相关联。 下表描述了数组如何存储 IP 地址...
Table of Contents Hash Tables in Windows PowerShell Creating Hash Tables Displaying Hash Table Add or Remove the Keys and ValuesA hash table, also known as a dictionary or associative array, is a compact data structure that stores one or more key/value pairs. For example, a hash table can...
Working with Hash Tables In last week’s Windows PowerShell Tip we introduced you to the .NET Framework class System.Collections.ArrayList, positioning this class as an alternative to the array class built into Windows PowerShell. (Why do you even need an alternative to the array class bu...
Unit 5 of 7 Next Completed100 XP 5 minutes Working with hash tables is similar to working with an array, except that to add items to a hash table you need to provide both the key for the item and the value. The following command creates a hash table named$serversto store ...
第一個命令會使用 As DataTables 參數,將數據擷取到 .Net System.Data.DataTable 物件的集合中。 此命令會取得兩個具有不同數據行集的數據表。 每個數據表都可以根據自己的架構個別處理。 範例9:取得連線的完整控制權 PowerShell Invoke-Sqlcmd-Query"SELECT COUNT(*) AS Count FROM MyTable"-ConnectionString"...
For example, I need to know how to add items to an array or how to change an item that is in an array. I have searched all over the Internet, and I cannot seem to find a straight answer. I know you guys seem to love hash tables, but that seems to be a lot of overhead for...
The following example uses theSet-ItemPropertycmdlet to replace existing bindings with a set of new bindings. An array of hash tables is used to achieve this. Set-ItemProperty IIS:\Sites\DemoSite -Name bindings -Value (@{protocol="http";bindingInformation="*:80:DemoSite1"},@{protocol="http...
Working with Hash Tables Accessing WMI from Windows PowerShell Hip, Hip, Array—Retrieving Multi-Valued WMI Properties from Windows PowerShell Do Scripters Dream of Magenta-Colored Text? PowerShell Scriptomatic Learn Previous Versions Windows Windows PowerShell Tips ...
Put the hash tables to work So I have two hash tables. The first hash table contains ASCII values and associated letters: Notice that I do not use anOrderedDictionaryobject because I could not do the look up like I want to if I use it. So the output of the hash table is a bit jum...