<#
.SYNOPSIS
	convert-ps2bat.ps1 [<pattern>]
.DESCRIPTION
	Converts a PowerShell script to .bat files.
.EXAMPLE
	PS> .\convert-ps2bat.ps1 *.ps1
.NOTES
	Author: Markus Fleschutz · License: CC0
.LINK
	https://github.com/fleschutz/PowerShell
#>

param([string]$Pattern = "")

function Convert-PowerShellToBatch
{
    param
    (
        [Parameter(Mandatory,ValueFromPipeline,ValueFromPipelineByPropertyName)]
        [string]
        [Alias("FullName")]
        $Path
    )
 
    process
    {
        $encoded = [Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes((Get-Content -Path $Path -Raw -Encoding UTF8)))
        $newPath = [Io.Path]::ChangeExtension($Path, ".bat")
        "@echo off`npowershell.exe -NoExit -encodedCommand $encoded" | Set-Content -Path $newPath -Encoding Ascii
    }
}
 
try {
	if ($Pattern -eq "") { $Pattern = read-host "Enter path to the PowerShell script(s)" }

	$Files = get-childItem -path "$Pattern"
	foreach ($File in $Files) {
		Convert-PowerShellToBatch "$File"
	}
	exit 0
} catch {
	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}