CommandLine

从 Swift 解析参数和使用命令行工具。

"ls -l" | "head -5" > standardOut

导入

import CommandLine

dependencies: [
	.package(url: "https://github.com/DavidSkrundz/CommandLine.git",
	         from: "2.0.0")
],
targets: [
	.target(
		name: "",
		dependencies: [
			"CommandLine"
		]),
]

使用

`ArgumentParser`

从给定的参数列表中解析选项。默认情况下，它使用提供给应用程序的参数。

尊重 -- 以停止处理参数

let parser = ArgumentParser(strict: Bool = false)
try parser.parse(args: [String] = Arguments)
let usageOptions = parser.usage()

选项

.boolOption(short:long:description:closure:)
.boolOption(short:long:negativeShort:negativeLong:description:closure:)
.intOption(short:long:description:closure:)
.doubleOption(short:long:description:closure:)
.stringOption(short:long:description:closure:)

`AutoTask`

一个简单的 Process 封装器，可以在 AutoTask 之间自动管道连接。

StdErr 被忽略。

初始化

let task = AutoTask(cmd: "echo", args: "a", "b", "c")

let task: AutoTask = "echo a b c"

let task: AutoTask = ["echo", "a", "b", "c"]

管道连接

let echo = AutoTask(cmd: "echo", args: "a\nb\nc")

let grep = AutoTask(cmd: "grep", args: "c")

let tasks = echo | grep

运行

let output: Data = task.run()

var output = Data()
task > output

var output = ""
task > output

task > standardOut