How can I capitalize the first letter of each word?

Question

I need a script in any language to capitalize the first letter of every word in a file.

Thanks for all the answers.

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Answer 1

Scala:

scala> "hello world" split(" ") map(_.capitalize) mkString(" ")
res0: String = Hello World

or well, given that the input should be a file:

import scala.io.Source
Source.fromFile("filename").getLines.map(_ split(" ") map(_.capitalize) mkString(" "))