减少Powershell循环内变量中的行数

# 假设我们有一个包含多行文本的变量
$text = @"
Line 1
Line 2
Line 3
Line 4
"@ -split '\n'

# 使用foreach循环逐行处理
foreach ($line in $text) {
    Write-Output "Processing: $line"
    # 在这里添加你的处理逻辑
}

$text | Select-Object -First 1 | ForEach-Object {
    Write-Output "Processing: $_"
    # 在这里添加你的处理逻辑
}

$text | ForEach-Object -Begin {
    $count = 0
} -Process {
    if ($count -eq 0) {
        Write-Output "Processing: $_"
        # 在这里添加你的处理逻辑
    }
    $count++
}

$text | ForEach-Object {
    # 复杂的处理逻辑
    $result = ($_ | Select-String "keyword").Matches.Count
    Write-Output "Result: $result"
}

$text | ForEach-Object {
    if ($_ -match "keyword") {
        Write-Output "Match found in: $_"
    }
}