-ge, -ige, -cge - greater than or equal -lt, -ilt, -clt - less than -le, -ile, -cle - less than or equal Matching -like, -ilike, -clike - string matches wildcard pattern -notlike, -inotlike, -cnotlike - string doesn't match wildcard pattern -match, -imatch, -cmatch ...
= Not equal <> Not equal < Less than > Greater than <= Less than or equal >= Greater than or equal LIKE Wildcard match IS Evaluates null ISNOT Evaluates not null ISA Evaluates a member of a WMI class 还有其他运算符,但这些运算符用于进行比较。 例如,以下查询从 Win32_Process 类中进程...
所在位置行:1字符:12+[fruit]$en=banana+~~~+CategoryInfo:ObjectNotFound:(banana:String)[],CommandNotFoundException+FullyQualifiedErrorId:CommandNotFoundException#当尝试使用非枚举值进行赋值时PSD:/>[fruit]$en=[fruit]::peach由于枚举值无效,无法将Null转换为类型“fruit”。请指定以下枚举值之一,然后重试。...
To define a default value for a parameter, type an equal sign and the value after the parameter name, as shown in the following variation of theGet-SmallFilesexample: PowerShell functionGet-SmallFiles($Size=100) {Get-ChildItem$HOME|Where-Object{$_.Length-lt$Size-and!$_.PSIsContainer } } ...
Use comparison operators (-eq,-ne,-gt,-lt,-le,-ge) to compare values and test conditions. For example, you can compare two string values to determine whether they're equal. The comparison operators also include operators that find or replace patterns in text. The (-match,-notmatch,-repla...
"System.Int64". Error: "Input string was not in a correct format "System.Object[]" "telnet" connection test to different servers on different ports "Unable to find a default server with Active Directory Web Services running" when calling a script with Import-module AD "Unable to process the...
Run this command and $d will be equal to this: Copy scripting guys See? We told you we’d explain what the ToLower method is for. Checking For Strings Within Strings So what else do people do with string values? Well, one very common task is determining whether or not a given substri...
If you work with database types, you may get back a[dbnull]::Valuewhich is equivalent to$nullwithin the database, but in PowerShell, this was not equal to$nullso you can’t compare it directly. This change fromJoel Sallowallows you to compare both[dbnull]::Valueand[nullstring]::Valu...
It returnsTrueif the variable is equal to$nullandFalseif the variable is not equal to$null. $str-eq$null Output: False We can use any of the methods above and easily determine whether a string variable is not null or empty in PowerShell....
<String>] [-CustomAttribute10 <String>] [-CustomAttribute11 <String>] [-CustomAttribute12 <String>] [-CustomAttribute13 <String>] [-CustomAttribute14 <String>] [-CustomAttribute15 <String>] [-CustomAttribute2 <String>] [-CustomAttribute3 <String>] [-CustomAttribute4 <String>] [-Custom...