get the file mode bits of a file . this method is only implemented for oses of the unix family . it returns the file mode information as available in the st_mode member of the resulting struct stat when calling ` lstat ' on a file . concode_field_sep int S_IRUSR concode_elem_sep int gid concode_elem_sep int S_ISUID concode_elem_sep int S_IWGRP concode_elem_sep int S_IFBLK concode_elem_sep int mode concode_elem_sep int uid concode_elem_sep int S_IXGRP concode_elem_sep int S_IFCHR concode_elem_sep int S_IXOTH concode_elem_sep int S_IFSOCK concode_elem_sep int S_IRGRP concode_elem_sep Logger LOGGER concode_elem_sep int S_IRWXG concode_elem_sep int S_IWUSR concode_elem_sep int S_IRWXU concode_elem_sep int S_ISVTX concode_elem_sep int S_IFREG concode_elem_sep int S_IFLNK concode_elem_sep int S_IWOTH concode_elem_sep int S_IXUSR concode_elem_sep int S_IRWXO concode_elem_sep int S_IFIFO concode_elem_sep int S_IROTH concode_elem_sep UnixCLibrary unixlibc concode_elem_sep int S_ISGID concode_elem_sep int S_IFDIR concode_elem_sep int S_IFMT concode_field_sep int getgid concode_elem_sep int getgid concode_elem_sep int setFilemode concode_elem_sep int setFilemode concode_elem_sep Filestat getFilestat concode_elem_sep Filestat getFilestat concode_elem_sep boolean isWindows concode_elem_sep int chmod concode_elem_sep String runProcessLs concode_elem_sep UnixCLibrary getUnixCLibrary concode_elem_sep int getegid concode_elem_sep int getegid