Translations/update.php

<?php
function extract_strings($cont)
{
	preg_match_all("/([A-Za-z_ ]+): (.*)/", $cont, $matches, PREG_SET_ORDER, 0);
	$strings = [];
	foreach ($matches as $match)
	{
		$strings[$match[1]] = $match[2];
	}
	return $strings;
}

foreach (["bootstrapper-core", "bootstrapper-webui"] as $folder)
{
	$source = file_get_contents("$folder/en.cat.txt");
	$source_strings = extract_strings($source);
	$source_lines = explode("\n", $source);

	foreach (scandir("$folder") as $file)
	{
		if (is_file("$folder/$file") && $file != "en.cat.txt")
		{
			$cont = file_get_contents("$folder/$file");
			$target_strings = extract_strings($cont);
			$fh = fopen("$folder/$file", "wb");
			foreach ($source_lines as $line)
			{
				if ($strings = extract_strings($line))
				{
					foreach ($strings as $key => $value)
					{
						if (array_key_exists($key, $target_strings))
						{
							fwrite($fh, "$key: $target_strings[$key]\n");
						}
						else
						{
							fwrite($fh, "$key: [UNTRANSLATED] $value\n");
						}
					}
				}
				else
				{
					fwrite($fh, $line."\n");
				}
			}
		}
	}
}