用于使用 swift 和 swift-sh 编写脚本的命令行实用程序
贝壳 ⌘
命令行实用程序，用于使用 swift 和swift-sh
注意：在 macOS 上测试，在 iOS 上构建
安装迅捷⇥
$ brew install swift-sh
使用外壳 ⇢
#!/usr/bin/swift sh
import Shell // neutralradiance/shell
let str = "Hello World!"
echo(str, color: .green, style: .bold)
用于检查某些文件或文件夹是否存在的示例脚本 ⏎
#!/usr/bin/swift sh
import Shell // neutralradiance/shell
guard arguments.notEmpty else {
exit(1, "expected at least one input path")
}
help =
"""
checks whether or not a folder or file exists
usage: exists [flags] [locations]
flags:
-d directory, all locations must be directories (doesn't seem to work)
-f file, all locations must be files
returns: true or false
"""
var requireFolder = false
var requireFile = false
arguments.removeAll(where: { argument in
if argument.hasPrefix("-") {
switch argument.dropFirst() {
case "h", "help": exit()
case "d", "directory":
requireFolder = true
return true
case "f", "file":
requireFile = true
return true
default: return false
}
} else { return false }
})
let files = FileManager.default
print(
arguments.allSatisfy {
var isFolder: ObjCBool = false
guard files.fileExists(atPath: $0, isDirectory: &isFolder) else { return false }
return
requireFolder ? isFolder.boolValue :
requireFile ? !isFolder.boolValue : true
}
.description
)
