OnJava8-Examples/streams/FileToWords.java

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// streams/FileToWords.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
import java.nio.file.*;
import java.util.stream.*;
import java.util.regex.Pattern;
public class FileToWords {
public static Stream<String> stream(String filePath)
throws Exception {
return Files.lines(Paths.get(filePath))
.skip(1) // First (comment) line
.flatMap(line ->
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Pattern.compile("\\W+").splitAsStream(line));
}
}