while($ctr-lt10) {$ctr+=1if($ctr-eq5) {continue}Write-Host-Object$ctr} 使用for循环时,在 语句处<Repeat>继续执行,然后<Condition>执行测试。 在下面的示例中,由于 在关键字 (keyword) 之后continue发生递减,$i因此不会发生无限循环。 PowerShell ...
A label can specify any loop keyword, such as foreach, for, or while, in a script. The following example shows how to use a break statement to exit a for statement: PowerShell Copy for($i=1; $i -le 10; $i++) { Write-Host $i break } In this example, the break statement ...
1.break用法:break语句出现在foreach、for、while、switch等结构中时,break语句将使windows powershell立即退出整个循环。 在不循环的switch结构中,powershell将退出switch代码块。 用法如下: $var = 0 while ($var -lt 10) { $var += 1 if($var -eq 5) { break #当var=5时,终止while循环 } write-hos...
break #当var=5时,终止while循环 } write-host $var } 执行结果: 1 2 3 4 2.continue用法:continue语句出现在foreach、for、while等循环结构中时,continue语句将使windows powershell立即退出某一次轮循环,并继续下一轮循环。 用法如下: $var = 0 while ($var -lt 10) { $var += 1 if($var -eq 5...
TheBreakstatement is used to exit a looping statement such as aForeach,For,While, orDoloop. When present, theBreakstatement causes Windows PowerShell to exit the loop. TheBreakstatement can also be used in aSwitchstatement. NoteFor more information about looping in Windows PowerShell script, ...
Do-While loop until input is null Does anyone know how to AutoFit Columns starting from a particular Row in Excel? Does closing the command window kill a process? Does Compare-Object return anything if there is an exact match? Does get-aduser with -select always truncate the fields? Does ...
:前一命令执行状态,成功(Ture) 或者 失败(False)$Args:为脚本或者函数指定的参数$Error:错误发生时,错误对象存储于变量$Error中$Foreach:引用foreach循环中的枚举器$Home:用户的主目录$Host:引用宿主POWERSHELL语言的应用程序$Input:通过管道传递给脚本的对象的枚举器$LastExitCode:上一程序或脚本的退出代码$Matches...
I've got a plain text file with two server\instance names in it. The goal is to loop through each one, run some queries, and output the results to Excel files. It actually works as I'd want it to, but also kicks out some errors, as well as an extra excel file named _cfr_0916...
A common idiom (in the Bash world, which inspired PowerShell's && and || operators) is to conditionally exit a script when invocation of a command fails, along the lines of: # Assume existence of /somepath and exit, if it doesn't exist. ...
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 loop. The $ForEach variable exists only while the ForEach loop is running; it's deleted after the loop...