check yt-dlp for new version and then download video from youtube

youtube-downloader.ps1

# Define the GitHub API URL for yt-dlp releases
$repoUrl = "https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest"

# Enter your GitHub token here (to avoid rate limits)
$githubToken = "your_personal_access_token_here"

# Function to check and update yt-dlp
function Update-ytDlp {
    # Send a web request to get the latest release data from GitHub
    $response = Invoke-RestMethod -Uri $repoUrl -Headers @{
        "User-Agent" = "PowerShell"
        "Authorization" = "token $githubToken"
    }

    # Extract the latest version tag
    $latestVersion = $response.tag_name
    Write-Output "Latest yt-dlp version: $latestVersion"

    # Check if yt-dlp exists locally and get its version
    if (Test-Path -Path ".\yt-dlp.exe") {
        # Get the local version by running yt-dlp and checking the output
        $localVersion = .\yt-dlp.exe --version
        Write-Output "Local yt-dlp version: $localVersion"
        
        # Compare local version with the latest release version
        if ($localVersion -ne $latestVersion) {
            Write-Output "A new version of yt-dlp is available: $latestVersion"
            
            # Download the latest version
            $downloadUrl = ($response.assets | Where-Object { $_.name -like "yt-dlp.exe" }).browser_download_url
            $outputPath = ".\yt-dlp.exe"

            Write-Output "Downloading latest version from $downloadUrl..."
            Invoke-WebRequest -Uri $downloadUrl -OutFile $outputPath -Headers @{ "User-Agent" = "PowerShell" }

            Write-Output "yt-dlp has been updated to version $latestVersion."
        } else {
            Write-Output "You already have the latest version of yt-dlp."
        }
    } else {
        Write-Output "yt-dlp is not found locally. Downloading the latest version."

        # Download the latest version as yt-dlp.exe
        $downloadUrl = ($response.assets | Where-Object { $_.name -like "yt-dlp.exe" }).browser_download_url
        $outputPath = ".\yt-dlp.exe"

        Write-Output "Downloading latest version from $downloadUrl..."
        Invoke-WebRequest -Uri $downloadUrl -OutFile $outputPath -Headers @{ "User-Agent" = "PowerShell" }

        Write-Output "yt-dlp has been installed at version $latestVersion."
    }
}

# Run the Update function to check and update yt-dlp
Update-ytDlp

# Read URLs from urls.txt for downloading
$urls = Get-Content -Path "urls.txt"

# Loop through each URL in urls.txt
foreach ($line in $urls) {
    # Check if the line ends with 'mp3'
    if ($line -match "mp3$") {
        # Extract the actual URL part
        $url = $line -replace "\s+mp3$", ""
        
        # Download only audio as mp3
        .\yt-dlp --ffmpeg-location "G:\y\ffmpeg\bin" --cookies "G:\y\ffmpeg\y.txt" `
        --extract-audio --audio-format mp3 $url --proxy socks5://127.0.0.1:10809 --paths "G:\y"
    } else {
        # Treat the entire line as a URL for video download
        $url = $line
        
        # Download video with 1080p quality or lower
        .\yt-dlp --ffmpeg-location "G:\y\ffmpeg\bin" --cookies "G:\y\ffmpeg\y.txt" `
        -f "bestvideo[height<=1080]+bestaudio/best[height<=1080]" $url --embed-subs en --write-auto-subs --write-subs `
        --proxy socks5://127.0.0.1:10809 --paths "G:\y"
    }
}

pause