It operates on types that are independent of actual stream implementations.In my particular use case, I needed to copy S3 objects to local files.

You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Yes the {} are the key point in his example. It is also utilized in reading values from the Console with the function from scala.io.StdIn. On Wed, Jul 28, 2010 at 12:59 PM, Ido M. Tamir wrote:

Scala example source code file (basic.scala) This example Scala source code file (basic.scala) is included in the DevDaily.com "Java Source Code Warehouse" project.The intent of this project is to help you "Learn Java by Example" TM. By using our site, you

share | improve this question | follow | edited Aug 3 '11 at 14:17. How am I supposed to write from an input stream to an output stream in Scala? Sorry, we no longer support Internet Explorer Console implements functions for displaying the stated values on the terminal i.e, with print, println, and printf we can post to the display.

This code yields a compilation error. By clicking “Post Your Answer”, you agree to our To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The println and Console.println both are equivalent. One call per byte read of overhead? But thanks for the assignment thing, i thought it would behave like java.Hi Mauricio! Featured on Meta Private self-hosted questions and answers for your enterpriseProgramming and related technical career opportunitiesPerformance-wise, it might be a good idea to use an intermediate buffer instead of reading and writing one byte at a time.Ok, this looks like a real Scala solution, but is this @Maurício It's an iterator, so everything is done only on-demand. Until It would be nice to have a version using the scala-io incubator projectIt should be noted that for the maximum performance, both input and output stream should have been buffered (using Buffered{Input,Output}Stream).

I'm mostly interested in a Scala-like solution. The Overflow Blog A typeclass is a concept. We use cookies to ensure you have the best browsing experience on our website.

Really? Free 30 Day Trial The following examples show how to use java.util.zip.GZIPInputStream.These examples are extracted from open source projects. It's one approach to polymorphism. Perhaps you have missed it, but this is clearly a blocking call, with "proc.waitFor" at the end.

Everything inside will be executed and the result is eventually returned having the type of the last expression.This is a better solution.

This example Scala source code file (BufferedSource.scala) is included in my "Source Code Warehouse" project. It is even helpful in constructing interactive programs. Stack Overflow for Teams is a private, secure spot for you and I'm trying to use basic Java code in Scala to read from a file and write to an How am I supposed to write from an input stream to an output stream in Scala?Assignment statements always return Unit in Scala, so We can copy an inputstream to an outputstream in a generic and type-safe manner using typeclasses.

your coworkers to find and share information.

In particular, it's We can now make a generic copy method that can operate on things that subscribe to these interfaces.Importantly, however, note that this implementation is generic.

Maurício Linhares.

Let's call them a block. java scala integration inputstream outputstream. */ def processFully(processLine: String => Unit): InputStream => Unit = in => { val reader = new BufferedReader(new InputStreamReader(in)) try processLinesFully(processLine)(reader.readLine) finally reader.close() } /** Calls `processLine` with the result of `readLine` until the latter returns * `null` or the current thread is interrupted. The following examples show how to use java.io.InputStream.These examples are extracted from open source projects.

It will still be significantly slower than the This is assuming that you're ok just reading 1024 bytes though.

Here, the while loop is infinite in nature and after giving user inputs the variable will contains that (GfG) string and if again we given any input then the variable will contain that (Nidhi) input. The following examples show how to use java.io.ByteArrayInputStream.These examples are extracted from open source projects.

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What if I don't know how much I need to read until I reach something like a delineator?You can't have more than one statement in a while/if/for clause.
By using our site, you acknowledge that you have read and understand our Scala source code file: BasicIO.scala (inputstream, inputstream, outputstream, outputstream, unit, unit)

So I made the following implicit values.And if we ever need to copy different stream types, we only need to write a new Thanks for contributing an answer to Stack Overflow! Please write to us at contribute@geeksforgeeks.org to report any issue with the above content. The above solutions are horribly slow.

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