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Java - find file by filename inside directory
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In this article, we would like to show you how to find a file by filename in the specified directory in Java.
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/C/2
└── directory/3
├── subdirectory1/4
│ └── file.txt5
└── subdirectory2/In this example, we use Files.find() method to search for file.txt starting from C:/directory folder.
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import java.io.IOException;2
import java.nio.file.Path;3
import java.nio.file.Paths;4
import java.nio.file.Files;5
import java.util.List;6
import java.util.stream.Stream;7
import java.util.stream.Collectors;8
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public class Example {11
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public static void main(String[] args) throws IOException {13
Path directoryPath = Paths.get("C:\\directory");14
String filename = "file.txt";15
List<Path> result;16
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try (Stream<Path> pathStream = Files.find(directoryPath,18
Integer.MAX_VALUE,19
(path, basicFileAttributes) ->20
path.getFileName().toString().equalsIgnoreCase(filename))21
) {22
result = pathStream.collect(Collectors.toList());23
}24
result.forEach(System.out::println);25
}26
}Output:
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C:\directory\subdirectory1\file.txt