Initial Commit

Author: ChristopherDavenport

.gitignore

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+target/
+.idea/
+# vim
+*.sw?
+
+# Ignore [ce]tags files
+tags

.scalafmt.conf

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+# tune this file as appropriate to your style!  see: https://olafurpg.github.io/scalafmt/#Configuration
+
+maxColumn = 80
+
+continuationIndent.callSite = 2
+
+newlines {
+  sometimesBeforeColonInMethodReturnType = false
+}
+
+align {
+  arrowEnumeratorGenerator = false
+  ifWhileOpenParen = false
+  openParenCallSite = false
+  openParenDefnSite = false
+
+  tokens = ["%", "%%"]
+}
+
+docstrings = JavaDoc
+
+rewrite {
+  rules = [SortImports, RedundantBraces]
+  redundantBraces.maxLines = 1
+}

.travis.yml

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+sudo: false
+language: scala
+
+scala:
+  - 2.12.4
+
+before_cache:
+  - find $HOME/.sbt -name "*.lock" -type f -delete
+  - find $HOME/.ivy2/cache -name "ivydata-*.properties" -type f -delete
+
+cache:
+  directories:
+    - $HOME/.ivy2/cache
+    - $HOME/.coursier/cache
+    - $HOME/.sbt
+
+jdk:
+  - oraclejdk8

bar.txt

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+lazy val readFileLines = project.in(file("."))
+    .settings(commonSettings)
+    .settings(
+      name := "readFileLines"
+    )
+
+/***********************************************************************\
+                      Boilerplate below these lines
+\***********************************************************************/
+
+
+
+
+lazy val commonSettings = Seq(
+  organization := "tech.christopherdavenport",
+  licenses += ("MIT", url("https://opensource.org/licenses/MIT")),
+
+  scalaVersion := "2.12.4",
+
+  addCompilerPlugin("org.spire-math" % "kind-projector" % "0.9.4" cross CrossVersion.binary),
+
+  libraryDependencies ++= Seq(
+//    "org.typelevel"               %% "cats-core"                  % "1.0.0-RC1",
+//
+//    "org.typelevel"               %% "kittens"                    % "1.0.0-RC1",
+//    "org.typelevel"               %% "alleycats-core"             % "1.0.0-RC1",
+//    "org.typelevel"               %% "mouse"                      % "0.12",
+//
+//    "org.typelevel"               %% "cats-effect"                % "0.5",
+//
+//    "com.chuusai"                 %% "shapeless"                  % "2.3.2",
+//
+//    "co.fs2"                      %% "fs2-core"                   % "0.10.0-M8",
+    "co.fs2"                      %% "fs2-io"                     % "0.10.0-RC1",
+//
+//    "org.http4s"                  %% "http4s-dsl"                 % "0.18.0-M5",
+//    "org.http4s"                  %% "http4s-blaze-server"        % "0.18.0-M5",
+//    "org.http4s"                  %% "http4s-blaze-client"        % "0.18.0-M5",
+//    "org.http4s"                  %% "http4s-circe"               % "0.18.0-M5",
+//
+//    "io.circe"                    %% "circe-core"                 % "0.9.0-M2",
+//    "io.circe"                    %% "circe-generic"              % "0.9.0-M2",
+//    "io.circe"                    %% "circe-parser"               % "0.9.0-M2",
+//
+//    "io.circe"                    %% "circe-fs2"                  % "0.9.0-M3",
+//
+//    "org.tpolecat"                %% "doobie-core"                % "0.5.0-M9",
+//    "org.tpolecat"                %% "doobie-h2"                  % "0.5.0-M9",
+//    "org.tpolecat"                %% "doobie-hikari"              % "0.5.0-M9",
+//    "org.tpolecat"                %% "doobie-postgres"            % "0.5.0-M9",
+//    "org.tpolecat"                %% "doobie-specs2"              % "0.5.0-M9",
+//
+//    "com.github.pureconfig"       %% "pureconfig"                 % "0.8.0",
+//
+//    "eu.timepit"                  %% "refined"                    % "0.8.4",
+//    "eu.timepit"                  %% "refined-scalacheck"         % "0.8.4"       % Test,
+
+    "org.specs2"                  %% "specs2-core"                % "4.0.1"       % Test,
+    "org.specs2"                  %% "specs2-scalacheck"          % "4.0.1"       % Test,
+    "org.typelevel"               %% "discipline"                 % "0.8"         % Test,
+    "com.github.alexarchambault"  %% "scalacheck-shapeless_1.13"  % "1.1.6"       % Test
+  )
+)

build.sbt

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+sbt.version=1.1.0

project/build.properties

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+addSbtPlugin("com.dwijnand" % "sbt-travisci" % "1.1.1")
+addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "0.9.3")
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.0")
+addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.1.3")
+addSbtPlugin("org.lyranthe.sbt" % "partial-unification" % "1.1.0")

project/plugins.sbt

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+package tech.christopherdavenport.readfilelines
+
+import cats.effect.IO
+import fs2._
+import java.nio.file.Paths
+
+object Main extends StreamApp[IO] {
+
+  val absoluteFilePath = "/home/davenpcm/Documents/ScalaProjects/Examples/readfilelines/bar.txt"
+
+  override def stream(args: List[String], requestShutdown: IO[Unit]): Stream[IO, StreamApp.ExitCode] =
+    for {
+      _ <- Stream.eval(getFileContent.compile.drain)
+    } yield StreamApp.ExitCode(0)
+  
+
+  val getFileContent = io.file.readAll[IO](Paths.get(absoluteFilePath), 512)
+    .through(fs2.text.utf8Decode)
+    .through(fs2.text.lines)
+    .evalMap(withEachLine)
+
+
+  def withEachLine(line: String): IO[Unit] = {
+    if (line.contains("Sarasota Jazz Project")) IO(println(line)) else IO.unit
+  }
+
+}

src/main/scala/tech/christopherdavenport/readfilelines/Main.scala

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+package tech.christopherdavenport.readfilelines
+
+import org.specs2._
+
+object MainSpec extends mutable.Specification {
+
+  "Main" should {
+    "run a println" in {
+     Main.main(Array.empty[String]).should_===(())
+    }
+  }
+
+}