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Mahmoud Ben Hassine edited this page Nov 21, 2015 · 4 revisions

grep

Synopsis

Keeps elements containing a given pattern in a stream of Strings.

Parameters

Name Type Mandatory Default
pattern String Yes N/A

Example

Stream<String> stream = Stream.of("a", "ab", "bc");

UnixStream.unixify(stream)
   .grep("a")
   .to(stdOut()); // prints "a", "ab"

// Or

UnixStream.from(stream)
   .pipe(grep("a"))
   .to(stdOut()); // prints "a", "ab"

// Or

stream
    .filter(Predicates.grep("a"))
    .forEach(System.out::println); // prints "a", "ab"