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// files/Find.java
// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
// {ExcludeFromGradle}
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import java.nio.file.*;
public class Find {
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public static void
main(String[] args) throws Exception {
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Path test = Paths.get("test");
Directories.refreshTestDir();
Directories.populateTestDir();
// Creating a *directory*, not a file:
Files.createDirectory(test.resolve("dir.tmp"));
PathMatcher matcher = FileSystems.getDefault()
.getPathMatcher("glob:**/*.{tmp,txt}");
Files.walk(test)
.filter(matcher::matches)
.forEach(System.out::println);
System.out.println("***************");
PathMatcher matcher2 = FileSystems.getDefault()
.getPathMatcher("glob:*.tmp");
Files.walk(test)
.map(Path::getFileName)
.filter(matcher2::matches)
.forEach(System.out::println);
System.out.println("***************");
Files.walk(test) // Only look for files
.filter(Files::isRegularFile)
.map(Path::getFileName)
.filter(matcher2::matches)
.forEach(System.out::println);
}
}
/* Output:
test\bag\foo\bar\baz\5208762845883213974.tmp
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test\bag\foo\bar\baz\File.txt
test\bar\baz\bag\foo\7918367201207778677.tmp
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test\bar\baz\bag\foo\File.txt
test\baz\bag\foo\bar\8016595521026696632.tmp
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test\baz\bag\foo\bar\File.txt
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test\dir.tmp
test\foo\bar\baz\bag\5832319279813617280.tmp
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test\foo\bar\baz\bag\File.txt
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***************
5208762845883213974.tmp
7918367201207778677.tmp
8016595521026696632.tmp
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dir.tmp
5832319279813617280.tmp
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***************
5208762845883213974.tmp
7918367201207778677.tmp
8016595521026696632.tmp
5832319279813617280.tmp
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*/