Powershell嵌套IF语句

我正在努力做到以下几点：

在

src

• 如果该文件存在，请将其复制到dst
• 如果该文件存在于

  dst

  中，请继续
• 如果该文件不在

  dst

  中，请执行某些操作

继续，但做点别的

结束并做些别的事情

---

考虑到您的需求，我很难理解嵌套IF语句的结构应该是怎样的

$src = "e:\temp"
$dst = "e:\temp2"
$filename = "test.txt"

# 1.Check for a file in src
if (Test-Path "$src\$filename")
{
    # 1.A If that file is there copy it to dst
    Copy-Item "$src\$filename" $dst

    if (!(Test-Path "$dst\$filename"))
    {
        # 1.C If that file isn't in the dst do something
    }
    #1.B If that file exists in the dst continue
}
else
{
    #2.Continue on but do something else
}

#3.Finish off and do something else

---

考虑到您的要求，这似乎很简单：

$src = "e:\temp"
$dst = "e:\temp2"
$filename = "test.txt"

# 1.Check for a file in src
if (Test-Path "$src\$filename")
{
    # 1.A If that file is there copy it to dst
    Copy-Item "$src\$filename" $dst

    if (!(Test-Path "$dst\$filename"))
    {
        # 1.C If that file isn't in the dst do something
    }
    #1.B If that file exists in the dst continue
}
else
{
    #2.Continue on but do something else
}

#3.Finish off and do something else