PowerShell script to rename files by adding SxxExx to the beginning

season_renamer.ps1

# Create a shortcut to this file with 'Target'
# C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -File "X:\Yourpath\season_renamer.ps1"

param(
    [int]$seasonNumber = 0,   # Default to 0 to indicate that no parameter was passed
    [int]$episodeNumber = 0   # Default to 0 to indicate that no parameter was passed
)

# Prompt the user if no parameters are passed
if ($seasonNumber -eq 0) {
    $seasonNumber = [int](Read-Host "Enter the season number (default is 1)") 
    if ($seasonNumber -eq 0) { $seasonNumber = 1 }  # Default to 1 if the input is empty or zero
}

if ($episodeNumber -eq 0) {
    $episodeNumber = [int](Read-Host "Enter the starting episode number (default is 1)") 
    if ($episodeNumber -eq 0) { $episodeNumber = 1 }  # Default to 1 if the input is empty or zero
}

$folderPath = Get-Location  # Uses the current directory where the script is located

# Define the list of video file extensions
$videoExtensions = @(".mp4", ".mkv", ".avi", ".mov", ".flv", ".webm")

# Get all video files in the folder, sorted by creation date (oldest first)
Get-ChildItem -Path $folderPath -File | 
    Where-Object { $videoExtensions -contains $_.Extension } | 
    Sort-Object CreationTime | 
    ForEach-Object {
        # Format the season and episode numbers
        $season = "{0:D2}" -f $seasonNumber
        $episode = "{0:D2}" -f $episodeNumber

        # Construct the new file name
        $newName = "S${season}E${episode}_" + $_.Name

        # Rename the file
        Rename-Item -Path $_.FullName -NewName (Join-Path $folderPath $newName)

        # Increment the episode number for the next file
        $episodeNumber++
    }

Write-Output "Video files renamed successfully!"

# Exit the PowerShell window
exit