# .NET string format string[string]::Format('Hello, {0} {1}.',$first,$last)# PowerShell format string'Hello, {0} {1}.'-f$first,$last 這裡的過程是,字串會解析出令牌{0}和{1},然後使用該數字從提供的值中選擇。 如果您想要在字串中重複一個值,則可以重複使用該值數位。
$data | Where FirstName -eq Kevin Where()数组中有一个 Where() 方法,允许你为筛选器指定一个 scriptblock。PowerShell 复制 $data.Where({$_.FirstName -eq 'Kevin'}) 此功能是在 PowerShell 4.0 中添加的。更新循环中的对象对于值类型,更新数组的唯一方法是使用 for 循环,因为我们需要知道替换值的索...
PSItem in Begin is: PSItem in Process is: 1 PSItem in Process is: 2 PSItem in Process is: 3 PSItem in End is: Result is: 2 3 4 Where-Object FilterScript Командлет Where-Objectпредназначендляфильтрацииобъектоввконвейе...
about_Run_With_PowerShell about_Scopes about_Scripts about_Script_Blocks about_Script_Internationalization about_Session_Configurations about_Session_Configuration_Files about_Signing about_Simplified_Syntax about_Special_Characters about_Splatting about_Split ...
New-Item "\\$computer\c$\LogFolder\$folder" -type Directory -force | out-Null } #end if 我们现在想要调用的备份 EventLogs 函数执行实际的事件日志的备份。 我们传递我们调用函数时,$ 文件夹变量中存储路径: 复制 Backup-EventLogs($folder) } #end Get-BackUpFolder 下一步中,我们创建备份的 Ev...
Get-Item 可用于简化提供 System.IO.FileInfo 对象。 $Form = @{ resume = Get-Item 'C:\Users\jdoe\Documents\John Doe.pdf' } 如果值是集合类型(例如数组或列表),则字段会多次提交。默认情况下,会将列表的值视为字符串。 如果值为 System.IO.FileInfo 对象,则将提交二进制文件内容。 不支持嵌套集合...
rni, ren 重命名文件或者路径 Rename-Item rvpa 处理相对路径或者包含通配符的路径 Resolve-Path sp 设置文件或路径的属性 Set-ItemProperty Cd,chdir, sl 更改当前目录的位置 Set-Location — 提取路径的特定部分,例如父目录,驱动器,文件名 Split-Path — 测试指定的路径是否存在 Test-Path 访问文件和目录 使用Get...
In both implementations, assemblies are loaded lazily when a method requiring their type is run for the first time. For example here are two versions of the same code that load a dependency at different times. The first will always load its dependency whenProgram.GetRange()is called, because...
The first command uses the traditional syntax, which includes a script block and the current object operator$_. It uses the dot syntax to specify the method and parentheses to enclose the delimiter argument. The second command uses theMemberNameparameter to specify theSplitmethod and theArgumentLis...
PS> (Get-Item*.txt).Count-gt10True Piping grouped expressions When used as the first segment of a pipeline, wrapping a command or expression in parentheses invariably causesenumerationof the expression result. If the parentheses wrap acommand, it's run to completion with all outputcollected in...