Reading Command-Line Arguments in ScalaLast updated: March 18, 2024Written by: Emmanouil Varvarigos Reviewed by: Grzegorz Piwowarek Scala IO 1. Introduction In this tutorial, we’ll show various ways to parse command-line arguments in Scala. Although this topic might seem a bit trivial, ...
}// OParser.parse returns Option[Config]OParser.parse(parser1, args,Config())match {caseSome(config)=>// do somethingcase _=>// arguments are bad, error message will have been displayed } SeeScaladoc APIand the rest of this page for the details on various builder methods. Full example...
When help("help") is defined, parser will print out short error message when it fails instead of printing the entire usage text. note("...") is used add given string to the usage text. Arguments Command line arguments are defined using arg[A]("<file>"). It works similar to options...
You can parse command line arguments and use them to call a main method viaParserForMethods(...): packagetesthelloimportmainargs.{main,arg,ParserForMethods,Flag}objectMain{@maindefrun(@arg(short='f', doc="String to print repeatedly")foo:String,@arg(doc="How many times to print string"...
git status 是不会提示你有修改的 可以通过git config --get core.ignorecase 查看默认配置 通过git ...
Match a three-element tuple where the first element is the string “Scala” and we ignore the second and third arguments. Match any three-element tuple, where the elements could be any type, but they are inferred to be Strings due to the input langs. Extract the elements into variables la...
_, MultiLineWhitespace._ import fastparse._, MultiLineWhitespace._ First, let's write the parser for Str. We will ignore escape characters for simplicity, meaning a string is simply a ", followed by zero-or-more non-" characters, closed by another ":...
//> using dep com.google.code.gson:gson:2.8.9importcom.google.gson.JsonParser;importcom.google.gson.JsonElement;publicclassDependencyApp{publicstaticvoidmain(String args[]){StringjsonString="{\"country\": \"Germany\", \"language\": \"German\", \"currency\": \"Euro\"}";varcountryJson=...
否则会中断sink(x)除了以上面的代码形式指定，Joern 也支持使用semanticsloader/Parser加载语义文件，每行...
To create a command-line application in Scala, add a “main” method that takes an array of strings as input arguments. When you have compiled your code, execute it by running the scala command with the name of the object. Here’s an example of a short command-line application that ...