read_symlink: empty if not symlink

Author: scivision

+stdlib/+fileio/read_symlink.m

@@ -7,14 +7,14 @@
 import java.io.File
 import java.nio.file.Files
 
+r = string.empty;
+
+if ~stdlib.fileio.is_symlink(p) || ~stdlib.fileio.exists(p), return, end
+
 r = stdlib.fileio.absolute_path(p);
-if ~stdlib.fileio.exists(r) || ~stdlib.fileio.is_symlink(r)
-  r = string.empty;
-  return
-end
 
 % https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/nio/file/Files.html#readSymbolicLink(java.nio.file.Path)
 % must be absolute path
 r = Files.readSymbolicLink(File(r).toPath());
 
-end
+end