Uploads image to TinyPNG API via Swift and prints location

Imagen

//
//  File.swift
//  
//
//  Created by Declan on 02/11/2019.
//

import Foundation

public final class Imagen {
    private let arguments: [String]
    private lazy var imagePath: String = {
        guard arguments.count > 1 else { exit(1) }
        return arguments[1]
    }()
    private var pipe = Pipe()

    public init(arguments: [String] = CommandLine.arguments) {
        self.arguments = arguments
    }

    public func run() throws {
        try! imageUploadProcess.run()
        let data = pipe.fileHandleForReading.readDataToEndOfFile()
        if let output = String(data: data, encoding: .utf8),
            let imageURLRange = output.range(of: #"(?<=(?:location: ))https:\/\/.*"#, options: .regularExpression) {
            print(output[imageURLRange])
        }
    }
}

private extension Imagen {

    var imageUploadProcess: Process {
        let curl = Process()
        curl.executableURL = URL(fileURLWithPath: "/usr/bin/curl")
        curl.arguments = [
            "https://api.tinify.com/shrink",
            "--user",
            "api:Q1v1rkMcjjWxmYbTt4WyPzjZRMJctXhV",
            "--data-binary",
            "@\(imagePath)",
            "--dump-header",
            "/dev/stdout"
        ]
        curl.standardOutput = pipe
        return curl
    }

    private func parseImageURLLocation() {
        guard let uploadRequestOutput = String(pipe: pipe),
         let imageURLRange = uploadRequestOutput.range(of: #"(?<=(?:location: ))https:\/\/.*"#, options: .regularExpression) else {
            exit(1)
        }
        print(uploadRequestOutput[imageURLRange])
    }
}

private extension String {
    init?(pipe: Pipe) {
        let data = pipe.fileHandleForReading.readDataToEndOfFile()
        self.init(data: data, encoding: .utf8)
    }
}