add hard_link_count()

Author: scivision

+stdlib/get_owner.m

@@ -6,6 +6,8 @@
 % https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/nio/file/Files.html#getOwner(java.nio.file.Path,java.nio.file.LinkOption...)
 % https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/nio/file/LinkOption.html
 
-owner = string(java.nio.file.Files.getOwner(java.io.File(path).toPath(), java.nio.file.LinkOption.values));
+opt = java.nio.file.LinkOption.values;
 
-end
+owner = string(java.nio.file.Files.getOwner(java.io.File(path).toPath(), opt));
+
+end

+stdlib/hard_link_count.m

@@ -0,0 +1,19 @@
+function c = hard_link_count(filepath)
+% HARD_LINK_COUNT get the number of hard links to a file
+% https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/nio/file/Files.html#getPosixFileAttributes(java.nio.file.Path,java.nio.file.LinkOption...)
+% https://docs.oracle.com/javase/tutorial/essential/io/links.html
+arguments
+  filepath (1,1) string {mustBeFile}
+end
+
+if ispc
+  c = [];
+  return
+end
+
+opt = java.nio.file.LinkOption.values;
+
+c = java.nio.file.Files.getAttribute(java.io.File(filepath).toPath(), "unix:nlink", opt);
+  %Files.getAttribute(filePath, "unix:nlink")
+
+end