let inputData: Data = ...
let data = try Shell(["/usr/bin/grep", "Hello"]).exec(input: .data(inputData))

let data = try Shell(["/usr/bin/grep", "Hello"]).exec(input: .text("Hello world"))

let url = URL(fileURLWithPath: "/path/to/input/file")
let data = try Shell(["/usr/bin/grep", "foo"]).exec(input: .file(url: url))

let data = try Shell(["/usr/bin/grep", "foo"]).exec(input: .file(path: "/path/to/input/file"))

let data = try Shell(["/usr/bin/sw_vers"]).exec()

let text = try Shell(["/usr/bin/sw_vers"]).exec(encoding: .utf8)

let command = ["/usr/bin/log", "show", "--style", "json", "--last", "5m"]
let logs: [[String: Any]] = try Shell(command).execJSON())

struct LogMessage: Codable {
    var subsystem: String
    var category: String
    var machTimestamp: UInt64
}
let command = ["/usr/bin/log", "show", "--style", "json", "--last", "5m"]
let logs: [LogMessage] = try Shell(command).exec(decoder: JSONDecoder())

let command = ["/bin/cat", "/System/Library/CoreServices/SystemVersion.plist"]
let dictionary: [String: Any] = try Shell(command).execPropertyList())

struct SystemVersion: Codable {
    enum CodingKeys: String, CodingKey {
        case version = "ProductVersion"
    }
    var version: String
}
let command = ["/bin/cat", "/System/Library/CoreServices/SystemVersion.plist"]
let result: SystemVersion = try Shell(command).exec(decoder: PropertyListDecoder())

let enabled = try Shell(["csrutil", "status"]).exec(encoding: .utf8) { _, txt in txt.contains("enabled") }

let command: [String] = ...
let errorText = try Shell(command).exec(options: .stderr, encoding: .utf8)
let outputText = try Shell(command).exec(options: .stdout, encoding: .utf8)
let combinedData = try Shell(command).exec(options: .combined)

let command: [String] = ...
let process = Subprocess(command)

// The outputHandler and errorHandler are invoked serially
try process.launch(outputHandler: { data in
    // Handle new data read from stdout
}, errorHandler: { data in
    // Handle new data read from stderr
}, terminationHandler: { process in
    // Handle process termination, all scheduled calls to
    // the outputHandler and errorHandler are guaranteed to
    // have completed.
})

let command: [String] = ...
let process = Subprocess(command)

try process.launch { (process, outputData, errorData) in
    if process.exitCode == 0 {
        // Do something with output data
    } else {
        // Handle failure
    }
}

dependencies: [
	.package(url: "https://github.com/jamf/Subprocess.git", from: "1.0.0")
]