Content mit Schleife auslesen

$sourceFilePath = "C:\path\to\your\file\Quelle.txt"  
$lineNumbersToExtract = @(40, 68, 80)

# Initialize variables to store the extracted lines
$line40 = $null
$line68 = $null
$line80 = $null

# Check if the source file exists
if (Test-Path $sourceFilePath -PathType Leaf) {
    # Read the content of the file
    $fileContent = Get-Content -Path $sourceFilePath -Raw
    $fileLines = $fileContent -split "`r`n"  # Split content into lines  

    # Iterate through the specified line numbers and extract the lines
    foreach ($lineNumber in $lineNumbersToExtract) {
        if ($lineNumber -gt 0 -and $lineNumber -le $fileLines.Length) {
            $line = $fileLines[$lineNumber - 1]
            
            # Assign the line content to the appropriate variable
            if ($lineNumber -eq 40) {
                $line40 = $line
            } elseif ($lineNumber -eq 68) {
                $line68 = $line
            } elseif ($lineNumber -eq 80) {
                $line80 = $line
            }
        } else {
            Write-Host "Line $lineNumber does not exist in the file."  
        }
    }
} else {
    Write-Host "Source file not found."  
}

# Output the extracted lines (optional)
$line40
$line68
$line80

@echo off
setlocal

set "sourceFilePath=C:\path\to\your\file\Quelle.txt"  
set "lineNumbersToExtract=40 68 80"  

for %%n in (%lineNumbersToExtract%) do (
    for /f "usebackq tokens=* skip=%%n delims=" %%l in ("%sourceFilePath%") do (  
        set "line=%%l"  
        goto :found
    )
    echo Line %%n does not exist in the file.
    set "line="  
    :found
    if %%n == 40 set "line40=!line!"  
    if %%n == 68 set "line68=!line!"  
    if %%n == 80 set "line80=!line!"  
)

echo Extracted lines:
echo Line 40: %line40%
echo Line 68: %line68%
echo Line 80: %line80%

endlocal