Newer ALPHA versions of this code are available through anonymous CVS: $ cvs -d :pserver:anoncvs@subversions.gnu.org:/cvs checkout grep If you are using an old version of cvs, you might have to run $ cvs -d :pserver:anoncvs@subversions.gnu.org:/cvs login first (and just press enter at the password prompt). Please send comments and problem reports to .