Welcome to Scala version 2.7.5.final (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_15).
Type in expressions to have them evaluated.
Type :help for more information.

scala> :load sake.scala
Loading sake.scala...
import sake.Project._
buildDir: java.lang.String = build/
distDir: java.lang.String = ../../dist/
showStackTracesOnFailures: Boolean = false
code_chapters: List[java.lang.String] = List(IntroducingScala, TypeLessDoMore, Rounding, Traits, BasicOOP, AdvOOP, ObjectSystem, FP, Concurrency, XML, DSLs, TypeSystem, AppDesign, ToolsLibs)
Notice: Defining target 'all
Notice: Defining target 'clean

scala> build("all")
Info: building 'all
Notice: Building 'all for chapter "IntroducingScala"
Notice: shell: scala (environment: Map('directory -> IntroducingScala, 'inputText -> :load sake.scala
build("all")
))
Welcome to Scala version 2.7.5.final (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_15).
Type in expressions to have them evaluated.
Type :help for more information.

scala> :load sake.scala
Loading sake.scala...
<console>:4: error: not found: value sake
       import sake.Project._
              ^