the selected filehandle. Note that STDOUT is restored as the
default output filehandle after the loop.
-You can use C<eof> without parenthesis to locate the end of each input file,
+You can use C<eof> without parentheses to locate the end of each input file,
in case you want to append to each file, or reset line numbering (see
example in L<perlfunc/eof>).