为什么我的PowerShell结果会重复？

你好

这里是PowerShell新秀

如果我像这样输出到屏幕：

    foreach($databasePermission in $database.EnumDatabasePermissions($user.Name))
{
    Write-Host $databasePermission.PermissionState $databasePermission.PermissionType "TO" $databasePermission.Grantee
} 

    foreach($databasePermission in $database.EnumDatabasePermissions($user.Name))
{
    "$databasePermission.PermissionState $databasePermission.PermissionType TO $databasePermission.Grantee" | Out-File $filename
} 

[dbname] Database: cust_serv, Grant, CONNECT.PermissionState [dbname] Database: cust_serv, Grant, CONNECT.PermissionType TO [dbname] Database: cust_serv, Grant, CONNECT.Grantee

我得到了这个，这就是我想要的：

Grant CONNECT TO dbo

但是，如果我尝试输出到如下文本文件：

    foreach($databasePermission in $database.EnumDatabasePermissions($user.Name))
{
    Write-Host $databasePermission.PermissionState $databasePermission.PermissionType "TO" $databasePermission.Grantee
} 

    foreach($databasePermission in $database.EnumDatabasePermissions($user.Name))
{
    "$databasePermission.PermissionState $databasePermission.PermissionType TO $databasePermission.Grantee" | Out-File $filename
} 

[dbname] Database: cust_serv, Grant, CONNECT.PermissionState [dbname] Database: cust_serv, Grant, CONNECT.PermissionType TO [dbname] Database: cust_serv, Grant, CONNECT.Grantee

我的结果重复如下：

    foreach($databasePermission in $database.EnumDatabasePermissions($user.Name))
{
    Write-Host $databasePermission.PermissionState $databasePermission.PermissionType "TO" $databasePermission.Grantee
} 

    foreach($databasePermission in $database.EnumDatabasePermissions($user.Name))
{
    "$databasePermission.PermissionState $databasePermission.PermissionType TO $databasePermission.Grantee" | Out-File $filename
} 

[dbname] Database: cust_serv, Grant, CONNECT.PermissionState [dbname] Database: cust_serv, Grant, CONNECT.PermissionType TO [dbname] Database: cust_serv, Grant, CONNECT.Grantee

---

谢谢

如果访问字符串中对象的属性，则必须将其括在

$（…）

中：

看看两者之间的区别

"$databasePermission.PermissionState"

及

---

如果访问字符串中对象的属性，则必须将其括在

$（…）

中：

看看两者之间的区别

"$databasePermission.PermissionState"

及

---

构造长字符串的好方法是使用字符串格式。它更具可读性（至少在我看来，因为您不必执行

$（$…）

等操作）：

---

构造长字符串的好方法是使用字符串格式。它更具可读性（至少在我看来，因为您不必执行

$（$…）

等操作）：