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pekko/akka-docs/src/main/paradox/stream/operators/FileIO/fromFile.md
Ignasi Marimon-Clos 0e7bce7bae The automatic replacement produces Markdown that caused the paradox task in sbt to timeout or event fail. So 
this commit removes some operators with outpu too complex:

- ignored operators:
          "ask.md",
          "alsoTo.md",
          "batchWeighted.md",
          "buffer.md",
          "actorRef.md",
          "collect.md",
          "collection.md",
          "combine.md",
          "completionTimeout.md",
          "concat.md",
          "from.md",
          "fromMaterializer.md",
          "map.md",
          "merge.md",
          "queue.md",
          "log.md", // too many overloads, breaks `paradox` task
          "throttle.md", // too many overloads, breaks `paradox` task
          "idleTimeout.md", // too many overloads, breaks `paradox` task
          "setup.md",
          "watch.md",
          "withBackoff.md",
          "zip.md",
          "zipWith.md",
          "actorRefWithBackpressure.md"

- Ignored class when FQCN contains: Implicits, FlowOpsMat, SubSource, FlowOps, SubFlow, WithContext, DelayStrategy

- some extra manual cleanup on the committed operators.
2020-04-28 19:21:04 +02:00

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FileIO.fromFile

Emits the contents of a file.

@refFile IO Sinks and Sources

@@@ warning

The fromFile operator has been deprecated, use @ref:fromPath instead.

@@@

Signature

@apidocFileIO.fromFile { scala="#fromFile(f:java.io.File,chunkSize:Int):akka.stream.scaladsl.Source[akka.util.ByteString,scala.concurrent.Future[akka.stream.IOResult]]" java="#fromFile(java.io.File)" java="#fromFile(java.io.File,int)" }

Description

Emits the contents of a file, as ByteStrings, materializes into a @scala[Future] @java[CompletionStage] which will be completed with a IOResult upon reaching the end of the file or if there is a failure.