kopper alternatives and similar libraries
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kotlin-argparser
Easy to use and concise yet powerful and robust command line argument parsing for Kotlin
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README
Kopper
A simple Kotlin option parser
kopper
is the simple Kotlin option parser library.
kopper-typed
extends the kopper library to support delegated properties and parsing as simple as constructing an object. It includes the additional dependency of kotlin-reflect
.
Examples
Manual parsing…
import us.jimschubert.kopper.*
fun main(args: Array<String>) {
val parser = Parser()
parser.setName("Kopper CLI")
parser.setApplicationDescription("Kopper example application")
parser.flag("q", listOf("quiet", "silent"), description = "Run silently")
parser.option("f", listOf("file"), description = "File name")
parser.flag("a", listOf("allowEmpty"))
println(parser.printHelp())
val arguments = parser.parse(arrayOf("-f", "asdf.txt", "--quiet=true", "trailing", "arguments" ))
println("q=${arguments.flag("q")}")
println("quiet=${arguments.flag("quiet")}")
println("silent=${arguments.flag("silent")}")
println("f=${arguments.option("f")}")
println("file=${arguments.option("file")}")
println("allowEmpty=${arguments.flag("allowEmpty")}")
println("unparsedArgs=${arguments.unparsedArgs.joinToString()}")
}
Parser objects…
fun main(args: Array<String>) {
val arguments = ExampleArgs(args)
if (arguments.help) {
println(arguments.printHelp())
return
}
println("quiet=${arguments.quiet}")
println("rate=${arguments.rate}")
println("maxCount=${arguments.maxCount}")
}
class ExampleArgs(args: Array<String>) : TypedArgumentParser(args) {
val quiet by BooleanArgument(self, "q",
default = true,
longOption = listOf("quiet", "silent"),
description = "Run quietly"
)
val rate by NumericArgument(self, "r",
default = 1.0f,
description = "Rate"
)
val maxCount by NumericArgument(self, "m",
longOption = listOf("maxCount"),
default = 10,
description = "Max Count"
)
}
Typed parser objects support BooleanArgument
, StringArgument
, and NumericArgument<T>
property delegates. They
also expose any additional args as a list of strings in the _etc_
property.
License
[MIT License](./LICENSE)
*Note that all licence references and agreements mentioned in the kopper README section above
are relevant to that project's source code only.