从脚本中获取Swift脚本的路径 [英] Get path to Swift script from within script

问题描述

我正在用Swift编写脚本，并且希望它修改某些始终与脚本本身存在于同一目录中的文件.有没有办法从自身内部获取脚本的路径?我试过了:

I'm writing a script in Swift, and I want it to modify some files that always exist in the same directory as the script itself. Is there a way to get the path to the script from within itself? I tried:

print(Process.arguments)

但这只会输出实际提供给脚本的路径，该路径可以是完全解析的路径，可以是文件名，也可以是介于两者之间的任何内容.

But that outputs only the path that was actually given to the script, which may be the fully resolved path, just the file name, or anything in between.

我打算将该脚本与swift /path/to/my/script.swift一起运行.

I'm intending the script to be run with swift /path/to/my/script.swift.

推荐答案

速览:

let cwd = FileManager.default.currentDirectoryPath
print("script run from:\n" + cwd)

let script = CommandLine.arguments[0];
print("\n\nfilepath given to script:\n" + script)

//get script working dir
if script.hasPrefix("/") { //absolute
    let path = (script as NSString).deletingLastPathComponent
    print("\n\nscript at:\n" + path)
} else {
    let urlCwd = URL(fileURLWithPath: cwd)
    if let path = URL(string: script, relativeTo: urlCwd)?.path {
        let path = (path as NSString).deletingLastPathComponent
        print("\n\nscript at:\n" + path)
    }
}

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