Stupid hello world

helloworld.ps1

function translate([string][Parameter(valueFromPipeline=$true)]$text, $sourceLanguage, $targetLanguage){
    if($sourceLanguage -eq $targetLanguage){
        return $text
    }

    $url = "https://translate.googleapis.com/translate_a/single?client=gtx&sl=$([Uri]::escapeDataString($sourceLanguage))&tl=$([Uri]::escapeDataString($targetLanguage))&dt=t&q=$([Uri]::escapeDataString($text))"
    $response = irm $url
    return $response[0][0][0]
}

function isHelloWorld([string][Parameter(valueFromPipeline=$true)]$s){
    #This function sucks but I had a few beers so what you gonna do about it
    switch -regex ($s -ireplace '[^\sA-Z]', ''){
        <#Translation engine might decide to return 'Hello, world!' 'Hello world!' 'Hello world' 'Hello world program' 'Hello everyone' and who 
        knows what else depending on what I use (Yandex and MyMemory are especially stupid) so just strip out everything but words and spaces#>
        '^Hello\s+(world|everyone)(\s+program)?$'{
            return $true;
        }
        default {
            return $false;
        }
    }
}

#This was just me making sure translate() and isHelloWorld() work
#$target = 'こんにちは 世界' #Konnichiwa sekai
#translate $target ja en | isHelloWorld

function makeRandomJapaneseString($length){
    $sb = new-object Text.StringBuilder;
    $hiraganaRange = 0x3041..0x3093; #There are a few more up to 309f but those ones are weird so who cares
    #Katakana is not used for this purpose
    $kanjiRange = 0x4e00..0x9faf;
    #Ignore the extended kanji because it looks like the kanjis in 'world' are in the normal range anyway

    0..($length - 1) | % {
        [void]$sb.append([char]($hiraganaRange + $kanjiRange | get-random));
    }
    return "$sb";
}

do {
    $english = makeRandomJapaneseString 8 | translate -source ja -target en
    #write-debug -debug $english #Most likely some random bullshit
} until (isHelloWorld $english);