import std;

// Using only stdin/stdout, first arg is pattern
const var main = fn(args : array<string>) → int
{
    import std.io.stdin;
    import std.io.stdout;
    var pattern = std.text.regex.compile(args[0]);
    var result  = 1; // failure by default

    while(!stdin.endOfStream)
    {
        const var line = stdin.readLine();
        const var match = pattern.match(line);
        if(match.success)
        {
            stdout.writeLine(line);
            result = 0; // we have found something, return success
        }
    }

  return result;
};

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

import std;

// wget url fileName
const var main = fn(args : array<string>) → int
{
    const var url      = args[0];
    const var fileName = args[1];

    var input = std.net.http.get(url);

    var output = std.io.open(
        fileName,
        std.io.FileMode.Create,
        std.io.FileMode.WriteOnly);

    var size = 0;

    while(!input.endOfStream)
    {
        const var blob : array<u8> = input.readSome(); // Reads all currently available data.
        output.write(blob);
        size += blob.length;
    }

    output.close();
    input.close();

    // Var-args should get a syntax definition
    // C# way with args?
    std.io.stdout.write("File Size: %0 bytes\n", size);

    return 0;
};