glibc's strftime doesn't support, consider using a wrapper that
would expand /%(-_)?\d*N/ to the desired string and then pass the
resulting string to glibc's strftime.
+
+chown-core.c: warn when operating on set-UID or set-GID regular file
+
+sort: Compress temporary files when doing large external sort/merges.
+ This improves performance when you can compress/uncompress faster than
+ you can read/write, which is common in these days of fast CPUs.
+ suggestion from Charles Randall on 2001-08-10