Execute shell command and get output. Simple and robust.
Table of Contents
Add Work to Package.swift.
dependencies: [
.package(url: "https://github.com/flintbox/Work", from: "0.1.0")
]Work is subclass of Operation wrapping Process object.
import Foundation
import Work
// Create shell commands.
let echo1 = Work(
command: "echo 1-1; sleep 1; echo 1-2; sleep 1; echo 1-3",
standardOutputHandler: { output in
print("echo1 says: \(output)")
}
)
let echo2 = Work(command: "echo 2-1; sleep 1; echo 2-2; sleep 1; echo 2-3")
// Start them synchronously.
echo1.start()
echo2.start()
// Print standard output of echo2.
print(echo2.standardOutput)echo1 says: 1-1
echo1 says: 1-2
echo1 says: 1-3
2-1
2-2
2-3import Foundation
import Work
// Create shell commands.
let echo1 = Work(command: "echo 1-1; sleep 1; echo 1-2; sleep 1; echo 1-3")
echo1.standardOutputHandler = { output in
print("echo1 says: \(output)")
}
echo1.completion = { result in
switch result {
case .success(_):
print("echo1 success")
case .failure(_, _):
print("echo1 failure")
}
}
let echo2 = Work(
command: "echo 2-1; sleep 1; echo 2-2; sleep 3; echo 2-3",
standardOutputHandler: { output in
print("echo2 says: \(output)")
}, completion: { result in
switch result {
case .success(_):
print("echo2 success")
case .failure(_, _):
print("echo2 failure")
}
}
)
// Start them asynchronously.
OperationQueue().addOperations([echo1, echo2], waitUntilFinished: true)echo2 says: 2-1
echo1 says: 1-1
echo2 says: 2-2
echo1 says: 1-2
echo1 says: 1-3
echo1 success
echo2 says: 2-3
echo2 successIf you have good idea or suggestion? Please, don't hesitate to open a pull request or send me an email.
Hope you enjoy building command line tool with Work!