2016-09-23 13:23:35 -06:00

60 lines
1.7 KiB
Java

// files/Find.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
import java.nio.file.*;
public class Find {
public static void
main(String[] args) throws Exception {
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\369594599218802549.tmp
test\bag\foo\bar\baz\File.txt
test\bar\baz\bag\foo\2372197258227988384.tmp
test\bar\baz\bag\foo\File.txt
test\baz\bag\foo\bar\1091363470697614580.tmp
test\baz\bag\foo\bar\File.txt
test\dir.tmp
test\foo\bar\baz\bag\48863440153181406.tmp
test\foo\bar\baz\bag\File.txt
***************
369594599218802549.tmp
2372197258227988384.tmp
1091363470697614580.tmp
dir.tmp
48863440153181406.tmp
***************
369594599218802549.tmp
2372197258227988384.tmp
1091363470697614580.tmp
48863440153181406.tmp
*/